Risk of preterm birth in relation to history of preterm birth: a population‐based registry study of 213 335 women in Norway

Objective To assess the association between preterm first birth and preterm second birth according to gestational age and to determine the role of placental disorder in recurrent preterm birth. Design Population‐based registry study. Setting Medical Birth Registry of Norway and Statistics Norway. Po...

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Bibliographic Details
Published in:BJOG : an international journal of obstetrics and gynaecology 2022-05, Vol.129 (6), p.900-907
Main Authors: Tingleff, T, Vikanes, Å, Räisänen, S, Sandvik, L, Murzakanova, G, Laine, K
Format: Article
Language:English
Subjects:
Epidemiology
extremely preterm birth
Female
Gestational Age
Humans
Infant, Newborn
late preterm birth
Parturition
Placenta
Placenta Diseases
placental disorder
Pregnancy
Premature Birth - epidemiology
Premature Birth - etiology
preterm birth
recurrence
Registries
Risk Factors
very preterm birth
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Summary:Objective To assess the association between preterm first birth and preterm second birth according to gestational age and to determine the role of placental disorder in recurrent preterm birth. Design Population‐based registry study. Setting Medical Birth Registry of Norway and Statistics Norway. Population Women (n = 213 335) who gave birth to their first and second singleton child during 1999–2014 (total n = 426 670 births). Methods Multivariate logistic regression analyses, adjusted for placental disorders, maternal, obstetric and socio‐economic factors. Main outcome measures Extremely preterm (
ISSN:1470-0328
1471-0528
1471-0528
DOI:10.1111/1471-0528.17013