The optimal childbearing age and birth spacing in china: a multicenter retrospective cohort study.

BMC Public Health · 2025 · PMC12398996 · PMID 40885958

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a significant trendno p-value reported

Our findings corroborate a significant trend of delayed childbearing in China, with a marked increase in the proportion of AMA primiparas.

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.