This retrospective single-center observational cohort study evaluates live birth rates after the first embryo transfer following immune assessment in infertile women with documented uterine immune overactivation. In routine clinical practice, glucocorticoids represent first-line therapy for immune overactivation. Some patients underwent glucocorticoid sensitivity testing prior to embryo transfer based solely on standard clinical practice and patient preference. In cases of demonstrated glucocorticoid resistance, alternative therapeutic strategies were implemented according to usual care. The study analyzes clinical data collected between September 2020 and November 2025 to assess the association between prior glucocorticoid sensitivity testing and live birth rate after the first fresh or frozen blastocyst transfer performed following immune evaluation. No treatment allocation was determined by a study protocol.
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Live Birth Rate After First Embryo Transfer
Timeframe: From first embryo transfer to delivery (up to approximately 9 months)