How to have a boy and the scientific method of having a boy.

If you want to have a boy, you need to pay attention to the following points: 1. Diet control: Eat more alkaline foods, or foods containing more potassium and sodium, such as sweet potatoes, potatoes, fruits, chestnuts, soda biscuits and snacks without cream, and have a greater chance of having a boy. The adoption of diet control should start one month before the birth of a child, so that an alkaline environment will be formed in the woman's body after conditioning. 2. Change the pH of the vagina: cleaning the vagina with 2%-2.5% soda water before the same room can increase the chance of having a boy. (The purpose is the same as 1, but the method is different. 3. control the number of sexual intercourse: if the number of sexual intercourse is small, the amount of sperm per ejaculation will be more, and the chances of having a boy will be greater. 4, master the time and depth of ejaculation: If the man ejaculates when the woman reaches orgasm and ejaculates around the woman's cervix, it is easy to get a boy. 5, grasp the ovulation period: this is also the most important point, through the mother's excellent pregnancy instrument, accurately grasp the ovulation time, on the day of ovulation or the next day, it is the easiest to get a boy, the success rate is as high as 95%, it is easy to get a girl two days in advance, based on Y-type sperm is small, swimming fast, and women must be boys after ovulation.