Louise O'Brien, Ph.D., M.S. is an associate professor at U-M's Sleep Disorders Center in the Department of Neurology and adjunct associate professor in the Department of Obstetrics & Gynecology at the U-M Medical School. Credit: University of Michigan Health System
One in two hypertensive pregnant women who habitually snore may have unrecognized obstructive sleep apnea, a sleeping disorder that can reduce blood oxygen levels during the night and that has been linked to serious health conditions, new University of Michigan-led research shows.
One in four hypertensive pregnant women who don't snore also unknowingly suffer from the sleeping disorder, according to the study that appears in the British Journal of Obstetrics and Gynecology.
"We know that habitual snoring is linked with poor pregnancy outcomes for both mother and child, including increased risk of C-sections and smaller babies," says lead author Louise O'Brien, Ph.D., M.S., associate professor at U-M's Sleep Disorders Center in the Department of Neurology and adjunct associate professor in the Department of Obstetrics & Gynecology at the U-M Medical School.
"Our findings show that a substantial proportion of hypertensive pregnant women have obstructive sleep apnea and that habitual snoring may be one of the most telling signs to identify this risk early in order to improve health outcomes."
Habitual snoring – snoring three or more nights a week – is the hallmark symptom of obstructive sleep apnea, which has been shown to increase in frequency during pregnancy. and affects up to one-third of women by the third trimester.
O'Brien's previous studies have found that snoring during pregnancy may influence delivery and baby's health, with a higher risk for C-sections and delivering smaller babies. Women who begin snoring during pregnancy are also at a strong risk for high blood pressure and preeclampsia, O'Brien's research has shown.
"Hypertensive pregnant women who report snoring should be evaluated for obstructive sleep apnea since sleep apnea can be treated during pregnancy," says O'Brien, who is also a member of the Institute for Healthcare Policy and Innovation.
"Prompt recognition, evaluation, and management will not only improve health benefits for both moms and babies but may also help cut the high healthcare expenses of operative deliveries, taking care of babies who are admitted to the NICU and other associated health risks."
Explore further: Pregnant women who snore at higher risk for C-sections, delivering smaller babies
More information: "Hypertension, snoring, and obstructive sleep apnoea during pregnancy: a cohort study," BJOG, DOI: 10.1111/1471-0528.12885.
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Louise O'Brien, Ph.D., M.S. is an associate professor at U-M's Sleep Disorders Center in the Department of Neurology and adjunct associate professor in the Department of Obstetrics & Gynecology at the U-M Medical School. Credit: University of Michigan Health System
One in two hypertensive pregnant women who habitually snore may have unrecognized obstructive sleep apnea, a sleeping disorder that can reduce blood oxygen levels during the night and that has been linked to serious health conditions, new University of Michigan-led research shows.
One in four hypertensive pregnant women who don't snore also unknowingly suffer from the sleeping disorder, according to the study that appears in the British Journal of Obstetrics and Gynecology.
"We know that habitual snoring is linked with poor pregnancy outcomes for both mother and child, including increased risk of C-sections and smaller babies," says lead author Louise O'Brien, Ph.D., M.S., associate professor at U-M's Sleep Disorders Center in the Department of Neurology and adjunct associate professor in the Department of Obstetrics & Gynecology at the U-M Medical School.
"Our findings show that a substantial proportion of hypertensive pregnant women have obstructive sleep apnea and that habitual snoring may be one of the most telling signs to identify this risk early in order to improve health outcomes."
Habitual snoring – snoring three or more nights a week – is the hallmark symptom of obstructive sleep apnea, which has been shown to increase in frequency during pregnancy. and affects up to one-third of women by the third trimester.
O'Brien's previous studies have found that snoring during pregnancy may influence delivery and baby's health, with a higher risk for C-sections and delivering smaller babies. Women who begin snoring during pregnancy are also at a strong risk for high blood pressure and preeclampsia, O'Brien's research has shown.
"Hypertensive pregnant women who report snoring should be evaluated for obstructive sleep apnea since sleep apnea can be treated during pregnancy," says O'Brien, who is also a member of the Institute for Healthcare Policy and Innovation.
"Prompt recognition, evaluation, and management will not only improve health benefits for both moms and babies but may also help cut the high healthcare expenses of operative deliveries, taking care of babies who are admitted to the NICU and other associated health risks."
Explore further: Pregnant women who snore at higher risk for C-sections, delivering smaller babies
More information: "Hypertension, snoring, and obstructive sleep apnoea during pregnancy: a cohort study," BJOG, DOI: 10.1111/1471-0528.12885.
Medical Xpress on facebook
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Pregnant women who snore at higher risk for C-sections, delivering smaller babies
Oct 31, 2013
Snoring during pregnancy may be bad for the new baby's health, according to research from the University of Michigan Health System.
Starting to snore during pregnancy could indicate risk for high blood pressure, study says
Sep 25, 2012
Women who begin snoring during pregnancy are at strong risk for high blood pressure and preeclampsia, according to research from the University of Michigan.
Gestational diabetes tied to seven-fold increase in sleep apnea risk
Aug 20, 2013
Women diagnosed with gestational diabetes are nearly seven times more likely to have obstructive sleep apnea than other pregnant women, according to a recent study accepted for publication in The Endocrine Society's Journal of ...
Study shows link between sleep apnea and hospital maternal deaths
May 02, 2014
Pregnant women with obstructive sleep apnea are more than five times as likely to die in the hospital than those without the sleep disorder, a comprehensive national study by the University of South Florida ...
Is that sleepiness during pregnancy normal or a sign of sleep apnea?
Feb 10, 2012
(Medical Xpress) -- Most pregnant women complain of being tired. Some of them however, could be suffering more than normal fatigue associated with their pregnancy; they may have developed obstructive sleep apnea (OSA), a ...
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(Medical Xpress)—The underlying mechanism of obstructive sleep apnea that causes damage to blood vessels and contributes to hypertension, stroke, and atherosclerosis has been identified by researchers from ...
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May 29, 2014
A new study suggests that people with obstructive sleep apnea (OSA) who are single or have unsupportive family relationships may be less likely to adhere to continuous positive airway pressure (CPAP) therapy.
Sleep apnea tied to hearing loss in large study
May 20, 2014
Both high and low frequency hearing impairment have been linked with sleep apnea in a new study of nearly 14,000 individuals.
Sleep apnea-stroke connection just as high in women as in men
May 20, 2014
The link between stroke and obstructive sleep apnea (OSA) has been established by several clinical studies in recent years, with the most significant risks attributed to male patients. Now, a new study by researchers from ...
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May 19, 2014
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May 18, 2014
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User comments
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