Article Text

PDF
Physical exertion at work during pregnancy did not increase risk of preterm delivery or fetal growth restriction

Statistics from Altmetric.com


 
 Q In pregnant working women, does physical exertion at work (standing, lifting, night work, and long hours) increase the risk of preterm delivery or fetal growth restriction?

METHODS

Embedded ImageDesign:

prospective cohort study.

Embedded ImageSetting:

prenatal clinics at 3 hospitals in North Carolina, USA.

Embedded ImageParticipants:

1908 English speaking women ⩾16 years of age who were 24–29 weeks pregnant with a singleton gestation and had worked ⩾28 days in the first 2 trimesters of pregnancy.

Embedded ImageRisk factors:

physical exertion at work during the first or second trimester, including standing, heavy lifting (>11 kg), regular night work (10 pm to 7 am), and long hours (exposure determined by telephone interview at 24–31 wks gestation).

Embedded ImageOutcomes:

preterm delivery (<37 wks gestation) and small for gestational age (SGA) infant (birth weight <10th percentile).

MAIN RESULTS

In the first trimester, 25% of women stood ⩾30 hours/week, 10% lifted heavy objects ⩾13 times/week, 9% worked nights regularly, and 16% worked ⩾46 hours/week; proportions …

View Full Text

Request permissions

If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.