Cách dùng Lịch Vạn Niên tính ngày sinh đàn ông, con gái

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` Cách dùng Lịch Vạn Niên tính ngày sinh đàn ông, con gái -`

Calculating the birth of a boy or a girl according to the mother’s age is something that many couples are interested in. In particular, those who expect to have children of the desired sex are even more concerned. To calculate the birth of a boy or a girl is possible. So how to calculate that most accurately? Van Nien 365 Calendar will give you the answer right below, let’s follow along.

Calculating the birth of a boy or a girl according to the mother’s age is something that many couples are interested in. In particular, those who expect to have children of the desired sex are even more concerned. To calculate the birth of a boy or a girl is possible. So how to calculate that most accurately? Van Nien 365 Calendar will give you the answer right below, let’s follow along.

## I. Why learn about how to calculate the birth of a boy or a girl?

This is a normal need of many fathers and mothers, even though the sex of the child is according to nature. Everyone wants to have enough boys and girls or many people want to have girls, many people want to have boys. Predicting the baby’s gender in advance also helps parents prepare everything for their baby when born.

We only need to thoroughly understand the characteristics of sperm and eggs in order to make good use of the natural method of intercourse in accordance with the adaptation time of the sperm and egg, we can be very successful in having a child according to the father’s wishes. mother already. There are many ways to calculate or predict the sex of your baby such as: Based on mother’s age, based on father’s age, based on ovulation, bagua card, perpetual calendar.

## II. The method of calculating the birth of a boy or a girl according to the Oriental Ancient Calendar

Here are the methods of calculating the birth of a boy or a girl that are still handed down in folklore of Oriental archeology. The article is for reference only, but both boys and girls are children, bringing great joy to the whole family, right?

### 1. The first method: Add the husband and wife’s age according to the lunar age

Add the husband and wife’s age according to the lunar age. Then subtract 40 from the total. If the balance is over 40 continue subtracting 40. Subtract the first remaining balance by 9. Continue to subtract 8, again subtract 9, then subtract 8… until the balance is small. more than or equal to 8, 9 only.

Result:

- The last remaining difference is an even number, so you need to be elected in the year, born in the year is a boy. On the contrary, if pregnant outside the year, born in the year is a girl.
- The last remaining difference is an odd number, so you need to be pregnant in the year, born in the year is a girl. On the contrary, if pregnant outside the year, born in the year is a boy.

Thus, if this couple conceives and gives birth in the same year of 2021 (lunar calendar), the child will be a girl. If they want to have a son, they should conceive in 2020 (lunar calendar) and give birth in 2021.

Examples are as follows:

Husband’s age 37. Wife’s age 32. Add up: 37 + 32 = 69.

69 – 40 = 29. 29 – 9 = 20. 20 – 8 = 12. 12 – 9 = 3.

According to this result, 3 is an odd number, if this couple is pregnant in the year and born in the year, it will be a girl. On the contrary, if pregnant this year and born next year will give birth to a boy.

Application of method I

Add husband and wife’s age: 31 + 27 = 58/ 58 – 40 = 18/ 18 – 9. = 9/ 9 – 8 = 1

The resulting balance = 1 is an odd number. If next year, the husband and wife add their age (each adding 1 year is 2 years old) will have a balance of 3 which is also an odd number. If you get pregnant and give birth during the year, it will be a girl, outside of the year it will be a boy.

So if a couple wants to have a boy, they must get pregnant this year and give birth next year.

### 2. Second method: Even boys, odd girls

Folklore has a song of unknown origin, the purpose is to guide how to calculate the month of birth of a boy:

49 from the past, add in the month of birth to play, Subtract the mother’s age! Add 19 to divide by halve Calculate the exact age of the full moon. Even boys and girls are exactly ten ten.

Thus, if we call the month of birth “n”, the mother’s age “M”, then the problem is:

(49 + n – M + 19) : 2

Simplifying the above formula, we have:

(68 + n – M) : 2

Examples are as follows:

Mother 32 years old, gave birth in September of the lunar calendar. Substituting the above formula we have: n = 9; M = 32.

(68 + 9 – 32) : 2 = 22.5

22.5 is an odd number. According to this method, a 32-year-old mother born in September will be a girl.

Application of the second method

After determining the year of birth above, the husband and wife apply method II to choose the month of birth as follows:

(68 + n – M): 2.

The mother’s age here is 27. So M = 27. Substituting the above formula you have:

(68 + n – 27) : 2 = (41 + n) : 2

According to the above formula, in order to satisfy an even birth month, a boy must be chosen.

For example born in July: (41 + 7 ): 2 = 24.

### 3. Third method

Legend has it that there is a summary table of the eunuchs in the ancient court according to the Van Su Calendar about the “month of conception to give birth to a boy or a girl” as follows:

According to this table, you see the column of the mother’s age above from 18 to 40. The vertical column on the left corresponds to the month of conception. If you fall in the box with a “+” sign, you will have a boy, and if you have a “0” sign, you will have a girl.

Table of conception of boys and girls according to the book of Van Nien Calendar

Application of the 3 . method

After determining that you must be born in an odd month and need to be pregnant this year (mother is 27 years old), and born next year (age 28), you look up the table above to find an odd month in the year 28 years old (Like 1-3 – 7) and count backwards 9 months to fall into a suitable election month marked (+).

Specifically as follows: Looking at the horizontal column of a 28-year-old mother (assume the current year is 27, next year is 28), the probability of giving birth to a son by method II is 1, 3, 5 in an odd month. 7.

If you choose to give birth in January at the age of 28, you will need to be pregnant in May at the age of 27. According to this table, pregnant women in May at the age of 27 are likely to have a boy (+ sign).

If you choose March to give birth, you will need to be pregnant in August at the age of 27, the table shows the possibility of having a boy (+ sign).

In case you choose to be born in May, you need to be pregnant in October at the age of 27, the table shows the possibility of having a girl (Sign 0), which does not satisfy the needs of the above hypothesis.

Thus, according to this calculation, to give birth to a son, the mother needs to be pregnant in May or August at the age of 27 and give birth at the age of 28.

### 4. How to combine the three methods

The above three methods are handed down in folklore and it is difficult to test their effectiveness. Accordingly, you can rely on to calculate a boy or a girl as follows:

- Method 1 to calculate the year of birth at will.
- Method 2 to calculate the desired birth month.
- Method 3 to calculate the month of pregnancy to give birth as desired.

First, you use the first method to determine in general whether to get pregnant and have a baby this year or if you want to get pregnant this year and give birth next year.

Then apply the 2nd method to choose the month of birth. Assuming that you need an even number to have a boy, then when the mother’s age is odd, choose the odd birth month and vice versa, the result of the above formula will give an even number.

After determining the month of birth (which is odd or even), then you apply the 3rd method. Assuming the month of birth is odd, you will choose in the table of conception months appropriate to the odd or even month to look for.

Here is an example for your understanding:

Husband 31, wife 27 years old, suppose that this couple wants to have a son.

## III. How to calculate the husband and wife’s age to give birth to a son or daughter based on the bagua card

How to calculate the husband and wife’s age to give birth to a son or daughter based on the bagua

The picture above is 8 bagua cards, including:

- 4 positive cards: Can, Chan, Kham, Can
- 4 sound cards: Khon, Ton, Ly, Doai.

Corresponding to each card are different bars.

To determine the sex of the fetus, we base on the negative age of the parents and the month of conception. If at conception, the mother has an even negative age (20, 22, 24…), then draw 2 consecutive short lines (- -). If the mother is of odd age, draw a long line ( _ ). Same goes for dad. If the month of conception (negative) is an odd month, draw 1 long line, if it is an even month, draw 2 short lines.

Then you line up with the age of the father above, the month of conception in the middle and then the age of the mother. Next, you check to see which of these eight cards corresponds to this set of bars. If it corresponds to the positive hexagram will give birth to a son, corresponding to the negative hexagram will give birth to a girl.

Or you don’t need this bagua card, you just need to remember how to calculate the husband and wife’s age to have a boy: if the lines form 2 even 1 odd, it’s a boy, 2 odd 1 even is a girl, 3 even is a girl , 3 odd is a boy

## IV. Western way to give birth to a boy

The Shettles method is considered the most controversial study of natural sex selection in the fetus. This method, published in the 1960s by Dr. Landrum B. Shettles, is based on the menstrual cycle and methods of intercourse.

In the book How to Choose the Sex of Your Baby, Dr. Shettles explains that Y-chromosome sperm are smaller, faster, and have a shorter life. Sperm carry an X sex chromosome.

Therefore, the way to calculate the age of giving birth to a boy is that couples who want to have a boy should have sex at a time close to the time of ovulation (about the 14th day of the cycle). This way, the Y sperm is faster so it will find its way to the egg more efficiently.

Relationship position and birth rate of boys and girls

In addition to calculating the age of a boy’s birth, Dr. Shettles advises couples to have sex in the man’s position to penetrate from behind and release sperm right next to the cervix. This will create favorable conditions for the Y sperm to “act”.

Conversely, if the couple wants to have a daughter, they should have sex in a face-to-face position, the man on top (missionary position). And should watch at 2-4 days before ovulation. At that time, only healthy, durable X sperm will survive in the reproductive tract and find the egg.

The Shettles method is said to be up to 75% effective for couples who want to have a boy. The effectiveness is lower in couples who want to have a girl.

Pat Buie, a Canadian nurse, asserts in her book Choose the Sex of Your Baby Naturally that the Shettles method has a 95% success rate.

Having children according to their wishes is a secret desire of couples. However, you should not expect too much on how to calculate the husband and wife’s age to have a son, how to calculate the birth of a boy or a girl according to the mother’s age. It’s just an attempt to satisfy your desire, the rest let the baby decide for you. Wish you always happy with what nature bestows.

## V. Want to give birth to a boy or a girl at will?

### 1. Age

Women under the age of 35 are more likely to give birth to boys than girls. In contrast, women who give birth after the age of 35 are more likely to give birth to a girl than a boy.

### 2. Body temperature

It is thought that regular husbands, whose bodies are cool, low in temperature, and loosely dressed, are more likely to have boys than girls. On the other hand, if husbands often wear tight clothes and have high body temperatures, they will give birth to girls rather than boys.

### 3. Food

If the mother is provided with adequate nutrients, the probability of giving birth to a boy is much higher than that of a girl. Giving birth to a boy requires a sweeter and saltier diet than usual. Supplement the body with the necessary amount of potassium and sodium such as cakes, chocolate … to help you have a son. Having a son needs to eat sour, provide fruits and vegetables every day. At the same time, you need to provide the body with magnesium and calcium by foods such as milk, cheese …

### 4. Ovulation day

In the father’s body, there are 2 types of chromosomes: X chromosome (which combines with an egg to form a female embryo) and a Y chromosome (which combines with an egg to create a male embryo). Ovulation time is interval between cycles, from 14-16 days (for those with regular menstrual cycles 28-30 days). If you want to have a boy, you should have sex near ovulation, because this is the time. Y sperm easily meet the egg. On the contrary, if you want to give birth to a girl, you should avoid these dates.

### 5. Vaginal environment

You will have a boy if the vaginal environment is alkaline, this will nourish the health of the Y sperm to help conceive a boy. If you want to have a girl, you need to create an acidic environment.

It can be said that the methods of calculating the birth of a boy or a girl according to the mother’s age, such as sharing, are a good reference for couples who are planning to have children according to their wishes. However, the above calculation methods are only for reference, may bring you and your wife a relative result. The most important thing is still, you and your wife need to invest more carefully in your health, from diet to healthy living. Also, let’s not forget to spend a lot of time updating information on reproductive health care, good pregnancy, so that your baby can come quickly and be born healthy.

[rule_{ruleNumber}]

#Cách #dùng #Lịch #Vạn #Niên #tính #ngày #sinh #con #trai #con #gái

Cách dùng Lịch Vạn Niên tính ngày sinh con trai, con gái

## Hình Ảnh về: Cách dùng Lịch Vạn Niên tính ngày sinh con trai, con gái

## Video về: Cách dùng Lịch Vạn Niên tính ngày sinh con trai, con gái

## Wiki về Cách dùng Lịch Vạn Niên tính ngày sinh con trai, con gái

` Cách dùng Lịch Vạn Niên tính ngày sinh con trai, con gái - `

```
```Cách dùng Lịch Vạn Niên tính ngày sinh đàn ông, con gái

## Hình Ảnh về: Cách dùng Lịch Vạn Niên tính ngày sinh đàn ông, con gái

## Video về: Cách dùng Lịch Vạn Niên tính ngày sinh đàn ông, con gái

## Wiki về Cách dùng Lịch Vạn Niên tính ngày sinh đàn ông, con gái

` Cách dùng Lịch Vạn Niên tính ngày sinh đàn ông, con gái -`

Calculating the birth of a boy or a girl according to the mother's age is something that many couples are interested in. In particular, those who expect to have children of the desired sex are even more concerned. To calculate the birth of a boy or a girl is possible. So how to calculate that most accurately? Van Nien 365 Calendar will give you the answer right below, let's follow along.

Calculating the birth of a boy or a girl according to the mother's age is something that many couples are interested in. In particular, those who expect to have children of the desired sex are even more concerned. To calculate the birth of a boy or a girl is possible. So how to calculate that most accurately? Van Nien 365 Calendar will give you the answer right below, let's follow along.

## I. Why learn about how to calculate the birth of a boy or a girl?

This is a normal need of many fathers and mothers, even though the sex of the child is according to nature. Everyone wants to have enough boys and girls or many people want to have girls, many people want to have boys. Predicting the baby's gender in advance also helps parents prepare everything for their baby when born.

We only need to thoroughly understand the characteristics of sperm and eggs in order to make good use of the natural method of intercourse in accordance with the adaptation time of the sperm and egg, we can be very successful in having a child according to the father's wishes. mother already. There are many ways to calculate or predict the sex of your baby such as: Based on mother's age, based on father's age, based on ovulation, bagua card, perpetual calendar.

## II. The method of calculating the birth of a boy or a girl according to the Oriental Ancient Calendar

Here are the methods of calculating the birth of a boy or a girl that are still handed down in folklore of Oriental archeology. The article is for reference only, but both boys and girls are children, bringing great joy to the whole family, right?

### 1. The first method: Add the husband and wife's age according to the lunar age

Add the husband and wife's age according to the lunar age. Then subtract 40 from the total. If the balance is over 40 continue subtracting 40. Subtract the first remaining balance by 9. Continue to subtract 8, again subtract 9, then subtract 8… until the balance is small. more than or equal to 8, 9 only.

Result:

- The last remaining difference is an even number, so you need to be elected in the year, born in the year is a boy. On the contrary, if pregnant outside the year, born in the year is a girl.
- The last remaining difference is an odd number, so you need to be pregnant in the year, born in the year is a girl. On the contrary, if pregnant outside the year, born in the year is a boy.

Thus, if this couple conceives and gives birth in the same year of 2021 (lunar calendar), the child will be a girl. If they want to have a son, they should conceive in 2020 (lunar calendar) and give birth in 2021.

Examples are as follows:

Husband's age 37. Wife's age 32. Add up: 37 + 32 = 69.

69 – 40 = 29. 29 – 9 = 20. 20 – 8 = 12. 12 – 9 = 3.

According to this result, 3 is an odd number, if this couple is pregnant in the year and born in the year, it will be a girl. On the contrary, if pregnant this year and born next year will give birth to a boy.

Application of method I

Add husband and wife's age: 31 + 27 = 58/ 58 – 40 = 18/ 18 – 9. = 9/ 9 – 8 = 1

The resulting balance = 1 is an odd number. If next year, the husband and wife add their age (each adding 1 year is 2 years old) will have a balance of 3 which is also an odd number. If you get pregnant and give birth during the year, it will be a girl, outside of the year it will be a boy.

So if a couple wants to have a boy, they must get pregnant this year and give birth next year.

### 2. Second method: Even boys, odd girls

Folklore has a song of unknown origin, the purpose is to guide how to calculate the month of birth of a boy:

49 from the past, add in the month of birth to play, Subtract the mother's age! Add 19 to divide by halve Calculate the exact age of the full moon. Even boys and girls are exactly ten ten.

Thus, if we call the month of birth "n", the mother's age "M", then the problem is:

(49 + n – M + 19) : 2

Simplifying the above formula, we have:

(68 + n – M) : 2

Examples are as follows:

Mother 32 years old, gave birth in September of the lunar calendar. Substituting the above formula we have: n = 9; M = 32.

(68 + 9 – 32) : 2 = 22.5

22.5 is an odd number. According to this method, a 32-year-old mother born in September will be a girl.

Application of the second method

After determining the year of birth above, the husband and wife apply method II to choose the month of birth as follows:

(68 + n – M): 2.

The mother's age here is 27. So M = 27. Substituting the above formula you have:

(68 + n – 27) : 2 = (41 + n) : 2

According to the above formula, in order to satisfy an even birth month, a boy must be chosen.

For example born in July: (41 + 7 ): 2 = 24.

### 3. Third method

Legend has it that there is a summary table of the eunuchs in the ancient court according to the Van Su Calendar about the "month of conception to give birth to a boy or a girl" as follows:

According to this table, you see the column of the mother's age above from 18 to 40. The vertical column on the left corresponds to the month of conception. If you fall in the box with a "+" sign, you will have a boy, and if you have a "0" sign, you will have a girl.

Table of conception of boys and girls according to the book of Van Nien Calendar

Application of the 3 . method

After determining that you must be born in an odd month and need to be pregnant this year (mother is 27 years old), and born next year (age 28), you look up the table above to find an odd month in the year 28 years old (Like 1-3 – 7) and count backwards 9 months to fall into a suitable election month marked (+).

Specifically as follows: Looking at the horizontal column of a 28-year-old mother (assume the current year is 27, next year is 28), the probability of giving birth to a son by method II is 1, 3, 5 in an odd month. 7.

If you choose to give birth in January at the age of 28, you will need to be pregnant in May at the age of 27. According to this table, pregnant women in May at the age of 27 are likely to have a boy (+ sign).

If you choose March to give birth, you will need to be pregnant in August at the age of 27, the table shows the possibility of having a boy (+ sign).

In case you choose to be born in May, you need to be pregnant in October at the age of 27, the table shows the possibility of having a girl (Sign 0), which does not satisfy the needs of the above hypothesis.

Thus, according to this calculation, to give birth to a son, the mother needs to be pregnant in May or August at the age of 27 and give birth at the age of 28.

### 4. How to combine the three methods

The above three methods are handed down in folklore and it is difficult to test their effectiveness. Accordingly, you can rely on to calculate a boy or a girl as follows:

- Method 1 to calculate the year of birth at will.
- Method 2 to calculate the desired birth month.
- Method 3 to calculate the month of pregnancy to give birth as desired.

First, you use the first method to determine in general whether to get pregnant and have a baby this year or if you want to get pregnant this year and give birth next year.

Then apply the 2nd method to choose the month of birth. Assuming that you need an even number to have a boy, then when the mother's age is odd, choose the odd birth month and vice versa, the result of the above formula will give an even number.

After determining the month of birth (which is odd or even), then you apply the 3rd method. Assuming the month of birth is odd, you will choose in the table of conception months appropriate to the odd or even month to look for.

Here is an example for your understanding:

Husband 31, wife 27 years old, suppose that this couple wants to have a son.

## III. How to calculate the husband and wife's age to give birth to a son or daughter based on the bagua card

How to calculate the husband and wife's age to give birth to a son or daughter based on the bagua

The picture above is 8 bagua cards, including:

- 4 positive cards: Can, Chan, Kham, Can
- 4 sound cards: Khon, Ton, Ly, Doai.

Corresponding to each card are different bars.

To determine the sex of the fetus, we base on the negative age of the parents and the month of conception. If at conception, the mother has an even negative age (20, 22, 24…), then draw 2 consecutive short lines (- -). If the mother is of odd age, draw a long line ( _ ). Same goes for dad. If the month of conception (negative) is an odd month, draw 1 long line, if it is an even month, draw 2 short lines.

Then you line up with the age of the father above, the month of conception in the middle and then the age of the mother. Next, you check to see which of these eight cards corresponds to this set of bars. If it corresponds to the positive hexagram will give birth to a son, corresponding to the negative hexagram will give birth to a girl.

Or you don't need this bagua card, you just need to remember how to calculate the husband and wife's age to have a boy: if the lines form 2 even 1 odd, it's a boy, 2 odd 1 even is a girl, 3 even is a girl , 3 odd is a boy

## IV. Western way to give birth to a boy

The Shettles method is considered the most controversial study of natural sex selection in the fetus. This method, published in the 1960s by Dr. Landrum B. Shettles, is based on the menstrual cycle and methods of intercourse.

In the book How to Choose the Sex of Your Baby, Dr. Shettles explains that Y-chromosome sperm are smaller, faster, and have a shorter life. Sperm carry an X sex chromosome.

Therefore, the way to calculate the age of giving birth to a boy is that couples who want to have a boy should have sex at a time close to the time of ovulation (about the 14th day of the cycle). This way, the Y sperm is faster so it will find its way to the egg more efficiently.

Relationship position and birth rate of boys and girls

In addition to calculating the age of a boy's birth, Dr. Shettles advises couples to have sex in the man's position to penetrate from behind and release sperm right next to the cervix. This will create favorable conditions for the Y sperm to "act".

Conversely, if the couple wants to have a daughter, they should have sex in a face-to-face position, the man on top (missionary position). And should watch at 2-4 days before ovulation. At that time, only healthy, durable X sperm will survive in the reproductive tract and find the egg.

The Shettles method is said to be up to 75% effective for couples who want to have a boy. The effectiveness is lower in couples who want to have a girl.

Pat Buie, a Canadian nurse, asserts in her book Choose the Sex of Your Baby Naturally that the Shettles method has a 95% success rate.

Having children according to their wishes is a secret desire of couples. However, you should not expect too much on how to calculate the husband and wife's age to have a son, how to calculate the birth of a boy or a girl according to the mother's age. It's just an attempt to satisfy your desire, the rest let the baby decide for you. Wish you always happy with what nature bestows.

## V. Want to give birth to a boy or a girl at will?

### 1. Age

Women under the age of 35 are more likely to give birth to boys than girls. In contrast, women who give birth after the age of 35 are more likely to give birth to a girl than a boy.

### 2. Body temperature

It is thought that regular husbands, whose bodies are cool, low in temperature, and loosely dressed, are more likely to have boys than girls. On the other hand, if husbands often wear tight clothes and have high body temperatures, they will give birth to girls rather than boys.

### 3. Food

If the mother is provided with adequate nutrients, the probability of giving birth to a boy is much higher than that of a girl. Giving birth to a boy requires a sweeter and saltier diet than usual. Supplement the body with the necessary amount of potassium and sodium such as cakes, chocolate ... to help you have a son. Having a son needs to eat sour, provide fruits and vegetables every day. At the same time, you need to provide the body with magnesium and calcium by foods such as milk, cheese ...

### 4. Ovulation day

In the father's body, there are 2 types of chromosomes: X chromosome (which combines with an egg to form a female embryo) and a Y chromosome (which combines with an egg to create a male embryo). Ovulation time is interval between cycles, from 14-16 days (for those with regular menstrual cycles 28-30 days). If you want to have a boy, you should have sex near ovulation, because this is the time. Y sperm easily meet the egg. On the contrary, if you want to give birth to a girl, you should avoid these dates.

### 5. Vaginal environment

You will have a boy if the vaginal environment is alkaline, this will nourish the health of the Y sperm to help conceive a boy. If you want to have a girl, you need to create an acidic environment.

It can be said that the methods of calculating the birth of a boy or a girl according to the mother's age, such as sharing, are a good reference for couples who are planning to have children according to their wishes. However, the above calculation methods are only for reference, may bring you and your wife a relative result. The most important thing is still, you and your wife need to invest more carefully in your health, from diet to healthy living. Also, let's not forget to spend a lot of time updating information on reproductive health care, good pregnancy, so that your baby can come quickly and be born healthy.

[rule_{ruleNumber}]

#Cách #dùng #Lịch #Vạn #Niên #tính #ngày #sinh #con #trai #con #gái

` `

[rule_{ruleNumber}]

[box type=”note” align=”” class=”” Cách dùng Lịch Vạn Niên tính ngày sinh con trai, con gái” src=”https://vi.wikipedia.org/w/index.php?search=C%C3%A1ch%20d%C3%B9ng%20L%E1%BB%8Bch%20V%E1%BA%A1n%20Ni%C3%AAn%20t%C3%ADnh%20ng%C3%A0y%20sinh%20con%20trai,%20con%20g%C3%A1i%20&title=C%C3%A1ch%20d%C3%B9ng%20L%E1%BB%8Bch%20V%E1%BA%A1n%20Ni%C3%AAn%20t%C3%ADnh%20ng%C3%A0y%20sinh%20con%20trai,%20con%20g%C3%A1i%20&ns0=1″>

` Cách dùng Lịch Vạn Niên tính ngày sinh đàn ông, con gái -`

Calculating the birth of a boy or a girl according to the mother’s age is something that many couples are interested in. In particular, those who expect to have children of the desired sex are even more concerned. To calculate the birth of a boy or a girl is possible. So how to calculate that most accurately? Van Nien 365 Calendar will give you the answer right below, let’s follow along.

## I. Why learn about how to calculate the birth of a boy or a girl?

This is a normal need of many fathers and mothers, even though the sex of the child is according to nature. Everyone wants to have enough boys and girls or many people want to have girls, many people want to have boys. Predicting the baby’s gender in advance also helps parents prepare everything for their baby when born.

We only need to thoroughly understand the characteristics of sperm and eggs in order to make good use of the natural method of intercourse in accordance with the adaptation time of the sperm and egg, we can be very successful in having a child according to the father’s wishes. mother already. There are many ways to calculate or predict the sex of your baby such as: Based on mother’s age, based on father’s age, based on ovulation, bagua card, perpetual calendar.

## II. The method of calculating the birth of a boy or a girl according to the Oriental Ancient Calendar

Here are the methods of calculating the birth of a boy or a girl that are still handed down in folklore of Oriental archeology. The article is for reference only, but both boys and girls are children, bringing great joy to the whole family, right?

### 1. The first method: Add the husband and wife’s age according to the lunar age

Add the husband and wife’s age according to the lunar age. Then subtract 40 from the total. If the balance is over 40 continue subtracting 40. Subtract the first remaining balance by 9. Continue to subtract 8, again subtract 9, then subtract 8… until the balance is small. more than or equal to 8, 9 only.

Result:

- The last remaining difference is an even number, so you need to be elected in the year, born in the year is a boy. On the contrary, if pregnant outside the year, born in the year is a girl.
- The last remaining difference is an odd number, so you need to be pregnant in the year, born in the year is a girl. On the contrary, if pregnant outside the year, born in the year is a boy.

Thus, if this couple conceives and gives birth in the same year of 2021 (lunar calendar), the child will be a girl. If they want to have a son, they should conceive in 2020 (lunar calendar) and give birth in 2021.

Examples are as follows:

Husband’s age 37. Wife’s age 32. Add up: 37 + 32 = 69.

69 – 40 = 29. 29 – 9 = 20. 20 – 8 = 12. 12 – 9 = 3.

According to this result, 3 is an odd number, if this couple is pregnant in the year and born in the year, it will be a girl. On the contrary, if pregnant this year and born next year will give birth to a boy.

Application of method I

Add husband and wife’s age: 31 + 27 = 58/ 58 – 40 = 18/ 18 – 9. = 9/ 9 – 8 = 1

The resulting balance = 1 is an odd number. If next year, the husband and wife add their age (each adding 1 year is 2 years old) will have a balance of 3 which is also an odd number. If you get pregnant and give birth during the year, it will be a girl, outside of the year it will be a boy.

So if a couple wants to have a boy, they must get pregnant this year and give birth next year.

### 2. Second method: Even boys, odd girls

Folklore has a song of unknown origin, the purpose is to guide how to calculate the month of birth of a boy:

49 from the past, add in the month of birth to play, Subtract the mother’s age! Add 19 to divide by halve Calculate the exact age of the full moon. Even boys and girls are exactly ten ten.

Thus, if we call the month of birth “n”, the mother’s age “M”, then the problem is:

(49 + n – M + 19) : 2

Simplifying the above formula, we have:

(68 + n – M) : 2

Examples are as follows:

Mother 32 years old, gave birth in September of the lunar calendar. Substituting the above formula we have: n = 9; M = 32.

(68 + 9 – 32) : 2 = 22.5

22.5 is an odd number. According to this method, a 32-year-old mother born in September will be a girl.

Application of the second method

After determining the year of birth above, the husband and wife apply method II to choose the month of birth as follows:

(68 + n – M): 2.

The mother’s age here is 27. So M = 27. Substituting the above formula you have:

(68 + n – 27) : 2 = (41 + n) : 2

According to the above formula, in order to satisfy an even birth month, a boy must be chosen.

For example born in July: (41 + 7 ): 2 = 24.

### 3. Third method

Legend has it that there is a summary table of the eunuchs in the ancient court according to the Van Su Calendar about the “month of conception to give birth to a boy or a girl” as follows:

According to this table, you see the column of the mother’s age above from 18 to 40. The vertical column on the left corresponds to the month of conception. If you fall in the box with a “+” sign, you will have a boy, and if you have a “0” sign, you will have a girl.

Table of conception of boys and girls according to the book of Van Nien Calendar

Application of the 3 . method

After determining that you must be born in an odd month and need to be pregnant this year (mother is 27 years old), and born next year (age 28), you look up the table above to find an odd month in the year 28 years old (Like 1-3 – 7) and count backwards 9 months to fall into a suitable election month marked (+).

Specifically as follows: Looking at the horizontal column of a 28-year-old mother (assume the current year is 27, next year is 28), the probability of giving birth to a son by method II is 1, 3, 5 in an odd month. 7.

If you choose to give birth in January at the age of 28, you will need to be pregnant in May at the age of 27. According to this table, pregnant women in May at the age of 27 are likely to have a boy (+ sign).

If you choose March to give birth, you will need to be pregnant in August at the age of 27, the table shows the possibility of having a boy (+ sign).

In case you choose to be born in May, you need to be pregnant in October at the age of 27, the table shows the possibility of having a girl (Sign 0), which does not satisfy the needs of the above hypothesis.

Thus, according to this calculation, to give birth to a son, the mother needs to be pregnant in May or August at the age of 27 and give birth at the age of 28.

### 4. How to combine the three methods

The above three methods are handed down in folklore and it is difficult to test their effectiveness. Accordingly, you can rely on to calculate a boy or a girl as follows:

- Method 1 to calculate the year of birth at will.
- Method 2 to calculate the desired birth month.
- Method 3 to calculate the month of pregnancy to give birth as desired.

First, you use the first method to determine in general whether to get pregnant and have a baby this year or if you want to get pregnant this year and give birth next year.

Then apply the 2nd method to choose the month of birth. Assuming that you need an even number to have a boy, then when the mother’s age is odd, choose the odd birth month and vice versa, the result of the above formula will give an even number.

After determining the month of birth (which is odd or even), then you apply the 3rd method. Assuming the month of birth is odd, you will choose in the table of conception months appropriate to the odd or even month to look for.

Here is an example for your understanding:

Husband 31, wife 27 years old, suppose that this couple wants to have a son.

## III. How to calculate the husband and wife’s age to give birth to a son or daughter based on the bagua card

How to calculate the husband and wife’s age to give birth to a son or daughter based on the bagua

The picture above is 8 bagua cards, including:

- 4 positive cards: Can, Chan, Kham, Can
- 4 sound cards: Khon, Ton, Ly, Doai.

Corresponding to each card are different bars.

To determine the sex of the fetus, we base on the negative age of the parents and the month of conception. If at conception, the mother has an even negative age (20, 22, 24…), then draw 2 consecutive short lines (- -). If the mother is of odd age, draw a long line ( _ ). Same goes for dad. If the month of conception (negative) is an odd month, draw 1 long line, if it is an even month, draw 2 short lines.

Then you line up with the age of the father above, the month of conception in the middle and then the age of the mother. Next, you check to see which of these eight cards corresponds to this set of bars. If it corresponds to the positive hexagram will give birth to a son, corresponding to the negative hexagram will give birth to a girl.

Or you don’t need this bagua card, you just need to remember how to calculate the husband and wife’s age to have a boy: if the lines form 2 even 1 odd, it’s a boy, 2 odd 1 even is a girl, 3 even is a girl , 3 odd is a boy

## IV. Western way to give birth to a boy

The Shettles method is considered the most controversial study of natural sex selection in the fetus. This method, published in the 1960s by Dr. Landrum B. Shettles, is based on the menstrual cycle and methods of intercourse.

In the book How to Choose the Sex of Your Baby, Dr. Shettles explains that Y-chromosome sperm are smaller, faster, and have a shorter life. Sperm carry an X sex chromosome.

Therefore, the way to calculate the age of giving birth to a boy is that couples who want to have a boy should have sex at a time close to the time of ovulation (about the 14th day of the cycle). This way, the Y sperm is faster so it will find its way to the egg more efficiently.

Relationship position and birth rate of boys and girls

In addition to calculating the age of a boy’s birth, Dr. Shettles advises couples to have sex in the man’s position to penetrate from behind and release sperm right next to the cervix. This will create favorable conditions for the Y sperm to “act”.

Conversely, if the couple wants to have a daughter, they should have sex in a face-to-face position, the man on top (missionary position). And should watch at 2-4 days before ovulation. At that time, only healthy, durable X sperm will survive in the reproductive tract and find the egg.

The Shettles method is said to be up to 75% effective for couples who want to have a boy. The effectiveness is lower in couples who want to have a girl.

Pat Buie, a Canadian nurse, asserts in her book Choose the Sex of Your Baby Naturally that the Shettles method has a 95% success rate.

Having children according to their wishes is a secret desire of couples. However, you should not expect too much on how to calculate the husband and wife’s age to have a son, how to calculate the birth of a boy or a girl according to the mother’s age. It’s just an attempt to satisfy your desire, the rest let the baby decide for you. Wish you always happy with what nature bestows.

## V. Want to give birth to a boy or a girl at will?

### 1. Age

Women under the age of 35 are more likely to give birth to boys than girls. In contrast, women who give birth after the age of 35 are more likely to give birth to a girl than a boy.

### 2. Body temperature

It is thought that regular husbands, whose bodies are cool, low in temperature, and loosely dressed, are more likely to have boys than girls. On the other hand, if husbands often wear tight clothes and have high body temperatures, they will give birth to girls rather than boys.

### 3. Food

If the mother is provided with adequate nutrients, the probability of giving birth to a boy is much higher than that of a girl. Giving birth to a boy requires a sweeter and saltier diet than usual. Supplement the body with the necessary amount of potassium and sodium such as cakes, chocolate … to help you have a son. Having a son needs to eat sour, provide fruits and vegetables every day. At the same time, you need to provide the body with magnesium and calcium by foods such as milk, cheese …

### 4. Ovulation day

In the father’s body, there are 2 types of chromosomes: X chromosome (which combines with an egg to form a female embryo) and a Y chromosome (which combines with an egg to create a male embryo). Ovulation time is interval between cycles, from 14-16 days (for those with regular menstrual cycles 28-30 days). If you want to have a boy, you should have sex near ovulation, because this is the time. Y sperm easily meet the egg. On the contrary, if you want to give birth to a girl, you should avoid these dates.

### 5. Vaginal environment

You will have a boy if the vaginal environment is alkaline, this will nourish the health of the Y sperm to help conceive a boy. If you want to have a girl, you need to create an acidic environment.

It can be said that the methods of calculating the birth of a boy or a girl according to the mother’s age, such as sharing, are a good reference for couples who are planning to have children according to their wishes. However, the above calculation methods are only for reference, may bring you and your wife a relative result. The most important thing is still, you and your wife need to invest more carefully in your health, from diet to healthy living. Also, let’s not forget to spend a lot of time updating information on reproductive health care, good pregnancy, so that your baby can come quickly and be born healthy.

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