Interaction between progesterone exposure duration and blastocyst expansion stage on live birth following frozen-thawed transfer of day-6 blastocysts.

Front Endocrinol (Lausanne) · 2026 · PMC13149102 · PMID 42109745

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highly significantno p-value reported

Crucially, a highly significant interaction was observed between progesterone exposure duration and blastocyst expansion stage ( P for interaction < 0.01).

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