Obstetric and perinatal outcomes in twin pregnancies conceived via assisted reproductive technology vs. spontaneous conception: a population-based cohort study.

Obstet Gynecol Sci · 2025 · PMC12645013 · PMID 41194682

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a clear trendno p-value reported

Notably, for complications such as preeclampsia, preterm labor, and emergency cesarean delivery, there was a clear trend toward risk amplification among women over the age of 35.

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