This statement is well-founded: because Y sperm is easy to survive in alkaline environment, if you want a boy, you can start to take diet control one month before pregnancy, eat more alkaline food, and form an alkaline environment in the woman's body, so that the chances of having a boy are greater. Grapes, tea, kelp, carrots, soybeans, tomatoes, spinach and potatoes are all alkaline foods. LZ is recommended to go to the supermarket to buy a drink called Yixi Wheat Straw, which is recognized as the king of alkaline food.