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Sleep. 2013 Nov 1;36(11):1625-32. doi: 10.5665/sleep.3112.

Snoring during pregnancy and delivery outcomes: a cohort study.

Author information

1
Sleep Disorders Center, Department of Neurology ; Department of Oral and Maxillofacial Surgery ; Department of Obstetrics and Gynecology.

Abstract

STUDY OBJECTIVE:

This cohort study examined the impact of maternal snoring on key delivery outcomes such as mode of delivery, infant birth centile, and small-for-gestational age.

DESIGN:

Cohort study.

SETTING:

A large tertiary medical center.

PATIENTS OR PARTICIPANTS:

Pregnant women in their third trimester were recruited between March 2007 and December 2010.

MEASUREMENTS AND RESULTS:

Women were screened for habitual snoring, as a known marker for sleep disordered breathing. Outcome data were obtained from medical records following delivery and birth centiles were calculated. Of 1,673 women, a total of 35% reported habitual snoring (26% with pregnancy-onset snoring and 9% with chronic snoring). After adjusting for confounders, chronic snoring was associated with small-forgestational age (OR 1.65, 95%CI 1.02-2.66, P = 0.041) and elective cesarean delivery (OR 2.25, 95%CI 1.22-4.18, P = 0.008). Pregnancy-onset snoring was associated with emergency cesarean delivery (OR 1.68, 95%CI 1.22-2.30, P = 0.001).

CONCLUSION:

Maternal snoring during pregnancy is a risk factor for adverse delivery outcomes including cesarean delivery and small-for-gestational age. Screening pregnant women for symptoms of SDB may provide an early opportunity to identify women at risk of poor delivery outcomes.

CLINICAL TRIALS REGISTRATION:

IDENTIFIER: NCT01030003.

KEYWORDS:

Sleep disordered breathing; cesarean delivery; cord blood; small for gestational age

PMID:
24179294
PMCID:
PMC3792378
DOI:
10.5665/sleep.3112
[Indexed for MEDLINE]
Free PMC Article
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