Subgroups of preterm delivery in the Norwegian Mother and Child Cohort Study.

Abstract:

:The preterm deliveries in the Norwegian Mother and Child Cohort (MoBa) study were divided into subgroups: spontaneous preterm delivery, iatrogenic preterm delivery, multiple pregnancies, congenital malformations and intrauterine fetal deaths (IUFD). Records were linked with the Medical Birth Registry of Norway in order to permit identification of the different subgroups. The first 53,711 included pregnancies in the MoBa study were analyzed. Spontaneous preterm delivery accounted for 42% and iatrogenic preterm delivery for 28% of all preterm deliveries. Other important contributors to preterm delivery were multiple pregnancies (16%), congenital malformations (8.6%) and IUFD (5.2%). In conclusion, the subgroup composition of the preterm population in the MoBa study is similar to previously published data regarding both different and similar populations and is well suited for future studies of this complex obstetric entity.

authors

Morken NH,Magnus P,Jacobsson B

doi

10.1080/00016340802491508

subject

Has Abstract

pub_date

2008-01-01 00:00:00

pages

1374-7

issue

12

eissn

0001-6349

issn

1600-0412

pii

904803612

journal_volume

87

pub_type

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