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| babycentre.co.uk |
"Pregnant women who are diagnosed with sleep disorders such as sleep apnea and insomnia appear to be at risk of delivering their babies before reaching full term, according to an analysis of California births by researchers at UC San Francisco.
The study found the prevalence of preterm birth -- defined as delivery before 37 weeks' gestation -- was 14.6 percent for women diagnosed with a sleep disorder during pregnancy, compared to 10.9 percent for women who were not. The odds of early preterm birth -- before 34 weeks -- was more than double for women with sleep apnea and nearly double for women with insomnia. Complications are more severe among early preterm births, which makes this latter finding particularly important, the authors said.
In contrast to the normal sleep changes that typically occur during pregnancy, the new study focused on major disruptions likely to result in impairment. The true prevalence of these disorders is unknown because pregnant women often go undiagnosed. Treating sleep disorders during pregnancy could be a way to reduce the preterm rate, which is about 10 percent in the United States, more than most other highly developed countries.
The study, published Aug. 8, 2017 in Obstetrics & Gynecology, is the first to examine the effects of insomnia during pregnancy. Because of a large sample size, the authors were able to examine the relationship between different types of sleep disorders and subtypes of preterm birth (for example, early vs. late preterm birth, or spontaneous preterm labor vs. early deliveries that were initiated by providers due to mothers' health issues)..."
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