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ABSTRACT: Objective
After a decade of increase, the preterm birth (PTB) rate has declined in the USA since 2006, with the largest decline at late preterm (34-36 weeks). We described concomitant changes in gestational age-specific rates of neonatal mortality and morbidity following spontaneous and clinician-initiated PTB among singleton infants.Design, setting and participants
This retrospective population-based study included 754 763 singleton births in Washington State, USA, 2004-2013, using data from birth certificates and hospitalisation records. PTB subtypes included preterm premature rupture of membranes (PPROM), spontaneous onset of labour and clinician-initiated delivery.Outcome measures
The primary outcomes were neonatal mortality and a composite outcome including dea
SUBMITTER: Richter LL
PROVIDER: S-EPMC6361413 | biostudies-literature | 2019 Feb
REPOSITORIES: biostudies-literature