The relationship between serum estradiol and progesterone levels one day before frozen embryo transfer and pregnancy rates in artificially prepared frozen embryo cycles: are there any threshold serum hormone levels to predict pregnancy in luteal support by the vaginal and subcutaneous route combined?

J Turk Ger Gynecol Assoc · 2025 · PMC12406960 · PMID 40801263

Europe PMC DOI

hedged sentence

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closest p · 1.6× alpha

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boldest claim

The sentences

approaching significancep=0.08so close (0.05 < p ≤ 0.1)

Interestingly, in cycles where initial P 4 levels were low and rescue supplementation was needed, the serum P 4 level among individuals who achieved conception was 20.5±5.4 ng/mL, while in those who did not conceive it was 46.4±13.7 and this difference was approaching significance (p=0.08).

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