Effect of vaginal estrogen supplementation for luteal phase support in the GnRH antagonist protocol on pregnancy outcomes for IVF/ICSI cycles: a randomized controlled trial.
Yang X; Zhu L; Chen R; Lin T; Le F; Zhan Q; Gao H; Wang F · 2026 · Human reproduction open
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)
Study question Does adding vaginal estradiol to standard progesterone luteal phase support improve ongoing pregnancy rates in normal-responder IVF/ICSI patients undergoing GnRH antagonist cycles? Summary answer The addition of vaginal…
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Metadata source: Europe PMC · DOI 10.1093/hropen/hoag042