Natural versus GnRHa-HRT cycle for FET in tubal infertility with prior failed natural cycles: a propensity score-matched retrospective cohort study.
Li L; Gao S; Zhu H; Zhou J; Lan T; Sun A; Gao S; Cui L · 2026 · European journal of obstetrics, gynecology, and reproductive biology
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 (excerpt)
Introduction Frozen embryo transfer offers improved cumulative pregnancy rates and reduces complications compared to fresh cycles. Successful outcomes depend on both embryonic potential and endometrial receptivity, necessitating…
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Metadata source: Europe PMC · DOI 10.1016/j.ejogrb.2026.115194