Effect of advanced maternal age on the risk of adverse birth outcomes: a retrospective cohort study

Abstract Background This study aims to investigate differences in pregnancy outcomes and potential risk factors between women of advanced maternal age (AMA, 35–39 years) and those of very advanced maternal age (vAMA, 40 years and older). Methods This retrospective cohort study included women (age ≥ ...

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Autori principali:	Zhaodong Liu, Jianping Tang, Jingwen Li, Yulong Zhang, Jianying Yan
Natura:	Artigo
Lingua:	Inglês
Pubblicazione:	BMC 2025-12-01
Serie:	BMC Pregnancy and Childbirth
Soggetti:	Advanced maternal age Very advanced maternal age Preterm birth Low birth weight Gestational complication
Accesso online:	https://doi.org/10.1186/s12884-025-08342-0
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