Are Women With Threatened Preterm Labor More Dehydrated Than Women Without It?

Objective: To determine if women who present to the labor and delivery unit at 23 0/7 to 36 6/7 weeks gestation with threatened preterm labor (TPTL) are more likely to be dehydrated than women who present at the same gestational age for other reasons.

Design: Retrospective cohort study.

Setting: An academic medical center in the northeastern United States.