Placenta accreta - Definition

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The placenta is an organ that is found solely in women during pregnancy, serving as a conduit between the mother and her baby to supply the fetus with all the substances it needs to develop and grow. Placenta accreta defines an abnormally deep implantation of the placenta in the uterus, penetrating the muscle wall. This does not cause any problems during pregnancy, but after the delivery the placenta is not ejected, and the different possible methods of extracting it from the uterus carry risks of severe hemorrhage.