Lexic.us

Definition of Placenta previa

1. Noun. 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.

Medical Definition of Placenta previa

1. The anatomic positioning of the placenta over the cervical os (opening to the birth canal). This is an important cause of painless third trimester bleeding in the pregnant female. Many cases of placenta previa will require cesarean section delivery. (31 Dec 1997)

Lexicographical Neighbors of Placenta Previa

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