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
Yangyang Zhang; Yang Xu; Jiao Yu; Xi Wang; Qing Xue; Jing Shang; Xiuli Yang; Xuemin Shan · 2023 · Journal of Ovarian Research
WASTE classifies this as Negative / Null Result Report · AI classification, approximate
The study found no significant effect — useful as a negative control or null benchmark for your own design.
Abstract
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 embryo transfer cycles is still controversial. The aim of this study was to explore the effect of a premature LH surge without elevated progesterone levels on the cumulative pregnancy rate (CPR) and cumulative live birth rate (CLBR) of patients during a flexible GnRH antagonist protocol. Methods A total
Abstract by Yangyang Zhang; Yang Xu; Jiao Yu; Xi Wang; Qing Xue; Jing Shang; Xiuli Yang; Xuemin Shan, Journal of Ovarian Research (2023) — licensed CC BY 4.0.
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Metadata source: DOAJ · DOI 10.1186/s13048-023-01219-w