What kind of people need to do IVF: tubal infertility, such as tubal obstruction, adhesion, absence, after tubal ligation; ovulation disorders, such as polycystic ovaries, unruptured follicle luteinization syndrome; endometriosis; male hypospermia; unexplained infertility. What kind of people can not do in vitro fertilization: either spouse suffers from acute infectious diseases of the genitourinary system and sexually transmitted diseases; either spouse has bad habits such as drug addiction; either spouse is exposed to teratogenic amounts of rays, poisons, drugs and is in the period of action; either spouse suffers from the hereditary diseases that can not bear children as stipulated in the law on reproductive health care; the woman’s uterus does not have a function for pregnancy or the uterus can not bear severe physical illnesses. (c) The woman’s uterus is not functional for pregnancy or the pregnancy cannot be sustained due to serious physical illness.