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spontaneous abortion |
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miscarriageor spontaneous abortionSpontaneous expulsion of an embryo or fetus from the uterus before it can live outside the mother. More than 60% are caused by an inherited defect in the fetus, which might result in a fatal abnormality. Other causes may include acute infectious disease, especially if it reduces the fetus's oxygen supply; abnormalities of the uterus that have physical or hormonal origins; and death of the fetus from umbilical-cord knotting. The main sign of impending miscarriage is vaginal bleeding. spontaneous abortion [spän′tā·nē·əs ə′bȯr·shən] (medicine) An unexpected, premature expulsion of the fetus. Also known as miscarriage. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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