Prevalence of symptoms and risk of obstructive sleep apnea in Saudi pregnant women.

Background: This case-control study aimed to assess the prevalence of symptoms and risk of obstructive sleep apnea (OSA) among Saudi pregnant women.

Methods: The study included consecutive Saudi pregnant women attending the antenatal service between July 2015 and December 2016. Pregnant women were compared with an age-matched group of nonpregnant women.