Pregnant women and new mothers are facing a growing risk of stroke, according to the Centers for Disease Control and Prevention. The overall hospitalization rate remains relatively low — of the roughly 4 million women who give birth in the U.S. each year, 6,300 were afflicted by pregnancy related strokes in 2006-07. But the number is rising, fast. Three key questions:
How much has the risk of pregnancy-related stroke risen?
Between 1994 and 2007, the rate of hospitalization for strokes rose by 47 percent for pregnant women, and by 83 percent for mothers who'd given birth within three months, the Centers for Disease Control and Prevention said in a study published in the Journal of the American Heart Association. That still amounts to just 0.22 stroke hospitalizations per 1,000 deliveries, but the sharp increase surprised the researchers. "We were alarmed," says the lead author of the study, Elena Kuklina, as quoted by AFP. "We expected to see some increase, but we were surprised by the amount."
What could be causing the increased stroke risk?
A lot of potential culprits may be contributing to the problem, including obesity among pregnant women (an issue with one in five pregnant women in the U.S.), along with diabetes and high blood pressure. Many women are having children into their 40s, and the risk of stroke rises with age.
Is there any way to reverse the trend?
Education and screening could be key. "We need to be more aggressive in screening these women for these risk factors," says Dr. Olajide Williams, a neurologist at Columbia University and Harlem Hospital and an American Stroke Association spokesman, as quoted by the Associated Press. Another potential step could be simply making more women aware that stroke isn't just something that hits the elderly. And families can help make sure women get treatment quickly by being more aware about the common stroke symptoms, such as numbness or weakness on one side, severe unexplained headache, and trouble walking or speaking.
Sources: Wall St. Journal, Baby Center, Babble, GlobalPost
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