Medical Definition of Placenta praevia
Placenta praevia: A placenta implanted near the outlet of the uterus, so that at the time of delivery the placenta precedes the baby. Placenta praevia can cause painless bleeding in the last third of pregnancy, and may be a reason for a C-section.
Also known as low placenta.Source: MedTerms™ Medical Dictionary
Last Editorial Review: 7/1/2016
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