Placenta membranacea


Placenta membranacea


  • Placenta membranacea (PM), also called placenta diffusa, is a rare type of placental abnormality.
  • Its characteristic of clinical manifestation is recurrent painless vaginal bleeding during pregnancy.
  • The placenta membranacea (PM) is a rare type of placental abnormality, which is associated with placenta previa, antepartum hemorrhage (APH), imperfect separation of placenta causing postpartum hemorrhage (PPH), chorioamnionitis, fetal growth restriction (FGR), preterm birth even stillbirth.
  • The placenta develops from both chorion frondosum and chorion levae so that the placenta is unduly large and thin and is characterized by the presence of fetal membranes (complete or partially) covered by chorionic villi.

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