Effects of physical activity during pregnancy on preterm delivery and mode of delivery: The Japan Environment and Children's Study, birth cohort study.

Mio TakamiAkiko TsuchidaAyako TakamoriShigeru AokiMika ItoMika KigawaChihiro KawakamiFumiki HiraharaKei HamazakiHidekuni InaderaShuichi Itonull null

Published in: PloS one (2018)

Pre-pregnancy PA has no negative effects on preterm birth and caesarean delivery. In contrast, both may be affected by PA during pregnancy because a low level of PA appears to slightly increase the risk of preterm delivery and operative delivery (caesarean and instrumental).

Keyphrases

preterm birth
low birth weight
physical activity
gestational age
magnetic resonance
magnetic resonance imaging
preterm infants
computed tomography
depressive symptoms
pregnancy outcomes
contrast enhanced