Adding human chorionic gonadotropin to frozen-thawed embryo transfer cycles pretreated with GnRH-a improves clinical pregnancy rates: a retrospective study

This study evaluated whether intramuscular human chorionic gonadotropin (HCG) administration before endometrial transformation improves outcomes in frozen-thawed embryo transfer (FET) cycles pretreated with gonadotrophin-releasing hormone agonist (GnRH-a). We retrospectively analyzed 579 GnRH-a down...

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Bibliographic Details
Main Authors: Lingna Peng, Qingxin Wang, Yannan Chen, Xiaoli Sun
Format: Article
Language:English
Published: Taylor & Francis Group 2025-12-01
Series:Gynecological Endocrinology
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Online Access:https://www.tandfonline.com/doi/10.1080/09513590.2025.2513640
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