Scientists have found an early warning sign of preeclampsia, a pregnancy complication marked by high blood pressure. Pregnant women with too much of a protein called soluble endoglin in their blood have a heightened risk of preeclampsia, the researchers say.
Endoglin normally sits on the surface of blood vessels, where it plays a role in vessel dilation and facilitates blood flow. But endoglin can escape these moorings and dissolve in the blood.
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