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

This study compares a generic version of the drug cetrorelix acetate to the original brand in women undergoing IVF. The goal is to see if the generic works just as well at preventing early ovulation and improving live birth rates. Over 1,300 women will participate, and the result…

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

This study compares two embryo transfer liquids—one with a high amount of hyaluronic acid (a natural 'sticky' substance) and one with a low amount—to see which leads to more live births. About 858 women having a single embryo transfer will take part. The goal is to find out if th…