The abnormal adherence of the chorion of the placenta to the myometrium of the uterus. Normally there is tissue intervening between the chorionic villi and the myometrium, but in 'placenta accreta, the vascular processes of the chorion grow directly in the myometrium. Placenta accreta can progress into placenta percreta.

Pathological embedding of a major or minor section of the placenta in the muscle of the uterus; the condition usually results in emergency hysterectomy.

When the placenta is attached to the muscle of the womb and does not come away properly after the birth.

Placenta praevia is a potentially life threatening obstetric condition in which the placenta is abnormally attached to the uterus. This can lead to massive blood loss during or following delivery.

Abnormal Placentation in which all or parts of the Placenta are attached directly to the Myometrium due to a complete or partial absence of Decidua. It is associated with Postpartum Hemorrhage because [..]

Abnormal placentation in which all or parts of the PLACENTA are attached directly to the MYOMETRIUM due to a complete or partial absence of DECIDUA. It is associated with POSTPARTUM HEMORRHAGE because [..]