It shouldn't be a secret to have a boy and a girl. Giving birth to a boy and a girl involves genetic problems, and its Y chromosome is dominant. Wu Qingmei: It shouldn't be a secret to have a boy and a girl. If there is no human intervention, sex can sometimes be identified by ultrasound, but the state does not advocate it. But before you, I want to choose a boy or a girl. Whether you are a parent, a father or a mother, you have no right to choose him. In other words, having a boy or a girl involves genetic issues. If the child is pregnant, it depends on the dominant Y chromosome, saying the sex of the boy.

Sanjiu health house