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Tuesday, 05 November 2013
Snoring at least three nights a week may influence delivery and baby’s health; higher risk for moms with sleep-related breathing problem pre-pregnancy
Snoring during pregnancy may be bad for the new baby’s health, according to research from the University of Michigan Health System.
Moms who snored three or more nights a week had a higher risk of poor delivery outcomes – including Caesarean births and delivering smaller babies – according to the research that appears in the scientific journal Sleep. The study is believed to be the largest of its kind to link maternal snoring to baby health by following moms from pregnancy through delivery.
Chronic snorers (moms who snored before and during pregnancy) are two thirds more likely to have a baby that’s born below the tenth percentile for babies of the same gestational age (smaller than 90 percent of other babies the same gestation) compared to non-snorers. They are also more than twice as likely to need an elective C-section, researchers found.
Timing of snoring patterns also made a difference in outcomes, researchers found. Chronic snorers who snored before and during pregnancy had the highest risks, being more likely to have smaller babies and elective C-sections. Meanwhile, those who started snoring only during pregnancy had higher risk of both elective and emergency C-sections than women who did not snore.
The study included 1,673 pregnant women who were recruited from prenatal clinics at University of Michigan between 2007 and 2010, with 35 percent of the women reporting habitual snoring.
Snoring is a key sign of obstructive sleep apnoea, a sleep-related breathing problem that can reduce blood oxygen levels during the night and has already been associated with serious, expensive health conditions. The new research comes a year after another study showed that women who begin snoring during pregnancy are at high risk for high blood pressure and pre-eclampsia.
SOURCE: Sleep, November 2013