How to mate and have children?

Hello, mating and having children. Humans call it sexual life, that is, the penis enters the vagina, and pregnancy is the combination of sperm and eggs. Women ovulate a mature egg every month. During sexual intercourse, the penis is after ejaculation in the vagina, and the sperm will enter the uterine cavity to combine with the egg, and then be fertilized, implanted and pregnant. Wish you good health.