Patient XX, female, 49 years old, married for more than 20 years without pregnancy, in April 2013 to our department. Diagnosis: primary infertility, decreased ovarian reserve function, sequelae of pelvic inflammatory disease, moderate spermatospermia in the male partner”, she underwent second-generation IVF to assist pregnancy, and the microstimulation program obtained three D3 high-quality embryos (two grade I, one grade II embryos), and two 3Bb blastocysts were transplanted in July 2014, and she gave birth to her second child by cesarean section on 3 March 2015, and her mother and daughter are safe.