According to Chinese folklore, the first Chinese gender predictor charts were used to help families predict a baby's sex and help ... We can also do a blood test on the [gestational parent ...

How does the Chinese birth calendar determine your baby's gender? The key to using the Chinese birth calendar to get accurate results is to determine the month of conception and the lunar age of the ...

(CNN) -- Expecting moms can determine whether they're carrying a boy or a girl as early as 10 weeks after conception, according to makers of an over-the-counter gender prediction test ...