Circummarginate Placenta

Circummarginate Placenta

Women's Health
Diseases & Conditions
Contributed byMaulik P. Purohit MD MPHJan 21, 2019

What are the other Names for this Condition? (Also known as/Synonyms)

  • Placenta Extrachorialis (Placenta Marginata)

What is Circummarginate Placenta? (Definition/Background Information)

  • Circummarginate Placenta is a variation in the normal shape of the placenta, characterized by the thinning of membranous tissue on the fetal side. The condition has no clinical significance
  • Circummarginate Placenta is most commonly seen in a multigravid uterus (uterus which has borne multiple pregnancies). There are no specific signs and symptoms or complications associated with this condition
  • Also, Circummarginate Placenta does not require any particular treatment; the associated prognosis of the condition is good

The placenta is an organ that connects the developing fetus to the uterine wall.

  • It is a disc shaped reddish brown structure that connects the fetus to the mother through the umbilical cord
  • The umbilical cord contains two umbilical arteries and one umbilical vein, providing a connection between maternal and fetal blood circulation
  • The normal function of placenta is to supply nutrients and oxygen to the fetus from the mother’s blood and remove wastes from the fetal body
  • The chorion and amnion are placental membranes. The chorion is the membrane that is present between the growing fetus and the mother. The amnion closely covers and protects the developing embryo

Who gets Circummarginate Placenta? (Age and Sex Distribution)

  • Circummarginate Placenta can occur in pregnant women of all ages
  • There is no racial, ethnic, or geographical predilection

What are the Risk Factors for Circummarginate Placenta? (Predisposing Factors)

  • The only risk factor associated with Circummarginate Placenta is woman with multiple pregnancies and childbirth

It is important to note that having a risk factor does not mean that one will get the condition. A risk factor increases ones chances of getting a condition compared to an individual without the risk factors. Some risk factors are more important than others.

Also, not having a risk factor does not mean that an individual will not get the condition. It is always important to discuss the effect of risk factors with your healthcare provider.

What are the Causes of Circummarginate Placenta? (Etiology)

The exact cause of Circummarginate Placenta is unknown.

What are the Signs and Symptoms of Circummarginate Placenta?

There are no specific signs and symptoms associated with Circummarginate Placenta.

How is Circummarginate Placenta Diagnosed?

The diagnosis of Circummarginate Placenta may include:

  • Fetal ultrasound
  • Gross examination of the placenta after the delivery of the baby and placenta

Many clinical conditions may have similar signs and symptoms. Your healthcare provider may perform additional tests to rule out other clinical conditions to arrive at a definitive diagnosis.

What are the possible Complications of Circummarginate Placenta?

There are no significant complications associated with Circummarginate Placenta.

How is Circummarginate Placenta Treated?

Circummarginate Placenta is a condition that does not need any specific treatment.

How can Circummarginate Placenta be Prevented?

Currently, there are no definitive methods available to prevent Circummarginate Placenta.

What is the Prognosis of Circummarginate Placenta? (Outcomes/Resolutions)

Circummarginate Placenta has no clinical significance, and the associated prognosis is good.

Additional and Relevant Useful Information for Circummarginate Placenta:

The following DoveMed website link is a useful resource for additional information:

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On the Article

Maulik P. Purohit MD MPH picture
Approved by

Maulik P. Purohit MD MPH

Assistant Medical Director, Medical Editorial Board, DoveMed Team


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