AUTHOR=Zhang Jie , Sun Yi-Fei , Xu Yue-Ming , Shi Bao-jun , Han Yan , Luo Zhuo-Ye , Zhao Zhi-Ming , Hao Gui-Min , Gao Bu-Lang TITLE=Effect of Endometrium Thickness on Clinical Outcomes in Luteal Phase Short-Acting GnRH-a Long Protocol and GnRH-Ant Protocol JOURNAL=Frontiers in Endocrinology VOLUME=Volume 12 - 2021 YEAR=2021 URL=https://www.frontiersin.org/journals/endocrinology/articles/10.3389/fendo.2021.578783 DOI=10.3389/fendo.2021.578783 ISSN=1664-2392 ABSTRACT=Objective: To investigate the influence factors of luteal phase short-acting gonadotropin-releasing hormone agonist (GnRH-a) long protocol and GnRH-antagonist (GnRH-ant) protocol on pregnancy outcome and quantify the influence. 5.About the statistical analysis, it is not correct for the Number of gravidities. Methods: Infertile patients (n=4631) with fresh in-vitro fertilization /intracytoplasmic sperm injection (IVF/ICSI) and embryo transfer were divided into GnRH-a long protocol (n=3104) and GnRH-ant (n=1527) protocol groups and subgroups G1 (EMT≤ 7mm), G2 (7mm