Suggestions: Analysis: Hello; the birth of a boy or a girl is determined by the nature of the sperm, there are two kinds of sperm, one is x sperm and the other is y sperm. And there is only one kind of egg, when x sperm and egg combine, the child born is female; and when y sperm and egg combine, the child born is male.

Guidance: Therefore, if you want to fulfill the desire to have a boy, the key to the problem is how to make the y sperm and egg combine to have a boy more accurately. x"

Type (female) sperm have a high survival rate in acidic secretions, while type "y" (male) sperm have a high survival rate in alkaline secretions. Eating more acidic food for men and more alkaline food for women is helpful for the birth of a boy; eating more alkaline food for men and more acidic food for women is more favorable for the birth of a girl. Acidic foods

; milk, eggs, fish, meat (e.g.: beef, chicken, pork, fish). Sour fruits (e.g.: tomatoes, oranges, strawberries, grapes, pineapples, apples). Alkaline foods;

Legumes (e.g., green beans, soybeans, red beans, tofu) bok choy, lettuce, potatoes, bamboo shoots, onions, mushrooms, cauliflower, kelp fruits (bananas, watermelon, loquat) wheat flour products, milk, tea .