International analysis observes placental abruption trends by maternal age and delivery year, highlighting potential factors.
Although rare, placental abruption is implicated in disproportionately high rates of perinatal morbidity and mortality. Understanding geographic and temporal variations may provide insights into possible amenable factors of abruption. We examined abruption frequencies by maternal age, delivery year, and maternal birth cohorts over three decades across seven countries.
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Ananth et al. (2015) studied this question.
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