Absolute Risk of Adverse Obstetric Outcomes Among Twin Pregnancies After In Vitro Fertilization by Maternal Age.

JAMA Netw Open · 2021 · PMC8433605 · PMID 34505887

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an elevated trendno p-value reported

6 , 13 , 19 Most curves of obstetric risks showed an elevated trend with increasing maternal age, especially among women older than 35 years, which is also in line with findings of previous literature. 17 , 18 , 27 , 28 In this study, we further summarized the forms of each obstetric risk curve into 2 dominant patterns.

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