The sequelae of IVF generally include ovarian hyperstimulation syndrome, ectopic pregnancy, pelvic infection and so on. 1. Ovarian Hyperstimulation Syndrome: In order to increase the acquisition of eggs, women will be given ovulation stimulating drugs before the IVF surgery, which contain a large amount of hormones that will stimulate the ovaries to secrete too much ovarian hormones or hormone precursors, resulting in Ovarian Hyperstimulation Syndrome. 2. Ectopic pregnancy: The IVF procedure involves obtaining an egg from the woman’s body and then fertilizing it outside the body before implanting it in the woman’s uterine cavity. During this process, the fertilized egg may stray into the fallopian tube to settle and develop, resulting in ectopic pregnancy. 3. Pelvic infection: In the process of egg retrieval by puncture, if the doctor who performs the surgery is inexperienced, the surgical environment and instruments are not sterilized in a standardized manner, or the patient does not pay attention to personal hygiene, pelvic infection is very likely to be induced. There are many after-effects of in vitro fertilization, but the adverse consequences can be minimized through regular and active treatment. Couples who need in vitro fertilization are advised to go to regular hospitals for in vitro fertilization.