A premature luteinizing hormone surge without elevated progesterone levels has no adverse effect on cumulative live birth rate in patient undergoing a flexible GnRH antagonist protocol: a retrospective study

• Main Authors: Yangyang Zhang (Author), Yang Xu (Author), Jiao Yu (Author), Xi Wang (Author), Qing Xue (Author), Jing Shang (Author), Xiuli Yang (Author), Xuemin Shan (Author)
• Format: Book
• Published: BMC, 2023-06-01T00:00:00Z.
• Subjects: article
• Online Access: Connect to this object online.

Abstract Background A premature luteinizing hormone (LH) surge refers to an endogenous LH peak that occurs before follicle maturation or human chorionic gonadotropin injection in the process of controlled ovarian hyperstimulation. The effect of premature LH surge on pregnancy outcomes in fresh embry...