A girl and a boy have intercourse during ovulation, and after intercourse, the sperm and egg will meet and implant in the bed to conceive a child. The girl and the boy should have normal sex life, choose to have intercourse during the ovulation period with ovulation, the chances of pregnancy are greater if you have the ability to bear children. After intercourse, the male semen should be ejaculated into the female body, sperm through the cervix, uterus into the fallopian tube, the female ovary discharged eggs through the umbrella of the fallopian tube transport to the fallopian tube potbelly, sperm and egg potbelly meet, the formation of fertilized eggs. The fertilized egg is transported through the peristalsis of the fallopian tube to the female uterine cavity, where it is deposited, completing the process of fertilization, and a child is conceived. The above process is a normal natural conception and in case of infertility you can go to the hospital to get pregnant through assisted reproductive technology.