Risk of preterm birth in relation to history of preterm birth: a population-based registry study of 213 335 women in Norway.
BJOG : an international journal of obstetrics and gynaecology(2022)
Abstract
Preterm first birth is a major risk factor for subsequent preterm birth, regardless of maternal, obstetric or fetal risk factors.
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Key words
Epidemiology,extremely preterm birth,late preterm birth,placental disorder,preterm birth,recurrence,very preterm birth
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