You can eat more alkaline food to adjust the body's pH value. There is a high chance of having a boy.
There is also a saying that sour women are hot, and eating sour beans, pickled mustard tuber and other foods will have a great chance of giving birth to boys.
Give birth to a child to do a good job in hospital physical examination, whether it is suitable for pregnancy, and master the ovulation period.
Buddhists can worship Guanyin, draw lots and match an amulet.
Change room decoration, feng shui, date selection, fetal position (on the yellow calendar), weather, pregnancy!