Effects of long working hours and shift work during pregnancy on obstetric and perinatal outcomes: A large prospective cohort study-Japan Environment and Children's Study.
Nobuhiro SuzumoriTakeshi EbaraTaro MatsukiYasuyuki YamadaSayaka KatoToyonori OmoriShinji SaitohMichihiro KamijimaMayumi Sugiura-Ogasawaranull nullPublished in: Birth (Berkeley, Calif.) (2019)
Work during pregnancy slightly increased the risks of threatened miscarriage and threatened preterm labor. Long working hours increased the risks of hypertensive disorders of pregnancy, vacuum/forceps delivery, and small-for-gestational-age babies.