| Definition of 'placenta previa' |
Princeton's WordNet |
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1. (noun) placenta previa
pregnancy in which the placenta is implanted in the lower part of the uterus (instead of the upper part); can cause bleeding late in pregnancy; delivery by cesarean section may be necessary
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| Definition of 'placenta previa' |
U.S. National Library of Medicine |
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1. placenta previa
Abnormal placentation in which the PLACENTA implants in the lower segment of the UTERUS (the zone of dilation) and may cover part or all of the opening of the CERVIX. It is often associated with serious antepartum bleeding and PREMATURE LABOR.
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