Northwest Women's And Children's Hospital, Xi'an, Shaanxi

This study tests whether atosiban, a drug that relaxes the uterus, can improve live birth rates in women who have had previous embryo implantation failures and abnormal uterine contractions. About 792 women aged 20-40 will receive either atosiban or a placebo before a single embr…

This study compares a generic version of the drug cetrorelix to the original brand-name drug for women undergoing IVF. The goal is to see if the generic works just as well at helping women get pregnant and have a baby. About 1,338 women will take part, and the main measure of suc…

This study compares two types of liquid used to transfer embryos into the womb during IVF. One liquid has a high amount of hyaluronic acid (a natural sticky substance), and the other has a low amount. The goal is to see if the stickier liquid helps more women have a live birth. A…