What kind of people need IVF: 1. gamete transport disorders caused by various factors in the female partner, including bilateral tubal obstruction, tubal agenesis, severe pelvic adhesions or history of tubal surgery and other loss of tubal function; 2. ovulation disorders; 3. endometriosis; 4. severe oligospermia or weak spermatozoa in the male partner; 5. irreversible obstructive azoospermia: such as bilateral tubal agenesis, reproductive system tuberculosis, etc. Obstructive azoospermia caused by Spermatozoa can be seen by epididymis or testicular puncture; 6. unexplained infertility; 7. immune infertility; 8. history of repeated failed insemination.