Chongqing Bird Sending Hospital is located at 186 Honghuang Road, Huangnipong, Yubei District, Chongqing. It is a comprehensive hospital approved by the Health and Family Planning Commission of Yubei District, Chongqing, with reproductive health and infertility as its diagnosis and treatment characteristics. It is a designated hospital for basic medical insurance in Chongqing and a member of Chongqing Maternal and Child Health Society. The hospital is committed to promoting social reproductive health, eugenics, and family harmony. 1、 The hospital has advantages in diagnosis and treatment of diseases: tubal infertility, ovarian infertility, uterine infertility, endocrine infertility, immune infertility, habitual abortion, pelvic infertility, cervical infertility, male infertility, etc. 2、 Superior diagnosis and treatment technologies of the hospital: hysteroscopy combined with guide wire interventional fallopian tube recanalization, hysterosalpingography, laparoscopic ovarian drilling, microscopically located anastomosis of vas deferens and epididymis, high-altitude minimally invasive ligation of varicocele, etc.