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STANFORD, CALIF. -- A history of migraine headaches appears to be a powerful risk factor for hyperemesis gravidarum, Dr. W. LeRoy Heinrichs said at a conference on perinatal and pediatric nutrition.
He reported on a retrospective record review of 37 migraineurs who had gone through pregnancy during which 10 experienced hyperemesis gravidarum.
That 27% incidence is remarkably high; the rate reported in numerous large series of pregnant women hovers at around 2%, noted Dr. Heinrichs, professor emeritus and past chair of gynecology and obstetrics at Stanford (Calif.) University.
When he performed a similar record review involving 16 patients with hyperemesis gravidarum, 5 patients (3 1%) turned out to be migraineurs. The expected prevalence of migraine among women of childbearing age is 17%-20%.
The ob.gyn. termed the apparent ...