Association between season and pregnancy outcomes in fresh embryo transfer cycles: a systematic review and meta-analysis.

Front Public Health · 2025 · PMC12460414 · PMID 41018780

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did not reach statistical significanceno p-value reported

However, the primary findings of this study did not confirm statistically significant seasonal differences: although clinical pregnancy and live birth rates were numerically slightly higher in summer, they did not reach statistical significance.

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