How to calculate the birth of boys and girls by formula

(1) One year and one month, two years and two months: girl.

(2) One-year-old bimonthly, two-year-old bimonthly, and the first half month: boy.

(3) One-year-old bimonthly, two-year-old bimonthly, the second half of the month: boys (but the error is large).

Note: Month refers to the lunar month on the first day of the last menstruation before pregnancy, and age refers to the imaginary age on the first day of the last menstruation before pregnancy.

Gossip calculation method

Calculation formula: the mother's age is placed in the upper and lower channels respectively, and the number of months of pregnancy is placed in the middle channel to form a hexagram.

Calculation chart:

On (father's age): odd, even, odd, even, odd, even, odd, even, odd, even.

China people (month of conception): odd, odd, even, odd, even, odd, even, even, even, even, even.

Next (mother's age): odd, odd, odd, odd, odd, odd, even, even.

Eight diagrams (hexagrams) belong to: dry hexagrams, rational hexagrams, true hexagrams, Kangua and Kungua.

Give birth to boys and girls (reference): boys and girls, boys and girls, boys and girls.

For example, the father's age is singular, put on it, it is yang, and the mother's age is even, and put on the bottom, it is yin. If the month of conception is the first month, which is singular and placed in the middle, then the hexagrams are Yang, Yang and Yin, a pair of hexagrams, that is, giving birth to a girl.