Zeroing In On the Cause of Preeclampsia

Mothers-to-be may have their babies to blame for a poorly understood medical condition.

Fresh from prenatal yoga, a woman walks into her 35-week OB appointment glowing. But the doc frowns as she watches the woman’s normally low blood pressure soar past 140. Then a routine test shows protein in her urine. Diagnosis: preeclampsia. These few symptoms are often the only indication of the condition; the mom-to-be feels fine, but until she has her baby, she’ll likely be put on bed rest and monitored closely, as preeclampsia can quickly escalate to severe swelling, seizures, a...

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