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

• Fibrin Cyst of Placenta in the Subamniotic Location
• Placental Subamniotic Fibrin Cyst

What is Subamniotic Fibrin Cyst of Placenta? (Definition/Background Information)

• Subamniotic Fibrin Cyst of Placenta is a very common benign condition that occurs in approximately 1 in 100 pregnancies. It is caused by the presence of a fluid-filled cyst on the chorionic plate of the placenta
• 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
• 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
• There are no significant signs and symptoms or complications associated with Subamniotic Fibrin Cyst of Placenta
• Subamniotic Fibrin Cyst of Placenta requires no treatment and the outcome is generally excellent

Who gets Subamniotic Fibrin Cyst of Placenta? (Age and Sex Distribution)

• Subamniotic Fibrin Cyst of Placenta is a very common condition observed during pregnancy that has an incidence of approximately 1 in 100
• There is no gender, racial, ethnic, or geographical predilection observed

What are the Risk Factors for Subamniotic Fibrin Cyst of Placenta? (Predisposing Factors)

• Currently, no risk factors have been identified for Subamniotic Fibrin Cyst of Placenta
• Research is being performed to identify the relevant risk factors

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 Subamniotic Fibrin Cyst of Placenta? (Etiology)

• The exact cause of Subamniotic Fibrin Cyst of Placenta is unknown
• Research is currently being performed to identify the relevant causative factors

Subamniotic Fibrin Cyst of Placenta is not caused by what the expectant mother does or does not do, either prior to or during pregnancy.

What are the Signs and Symptoms of Subamniotic Fibrin Cyst of Placenta?

• There are no specific signs and symptoms associated with Subamniotic Fibrin Cyst of Placenta
• The presence of a single cyst or multiple cysts may be observed
• The cyst may be confused with a subamniotic hemorrhage or hematoma

How is Subamniotic Fibrin Cyst of Placenta Diagnosed?

The diagnosis of Subamniotic Fibrin Cyst of Placenta may involve:

• A prenatal ultrasound may reveal the cyst
• It may be confirmed by placental examination performed by a pathologist after the birth of the child. The pathology study report may indicate that the contents of the cyst is a watery fluid and not a blood clot

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 Subamniotic Fibrin Cyst of Placenta?

• In majority of the cases, there are no complications associated with Subamniotic Fibrin Cyst of Placenta
• Very rarely, if the cyst is over 4.5 cm, it may result in intra-uterine growth retardation

How is Subamniotic Fibrin Cyst of Placenta Treated?

Subamniotic Fibrin Cyst of Placenta is a benign condition that generally requires no treatment.

How can Subamniotic Fibrin Cyst of Placenta be Prevented?

Currently, there is no effective prevention of Subamniotic Fibrin Cyst of Placenta available.

What is the Prognosis of Subamniotic Fibrin Cyst of Placenta? (Outcomes/Resolutions)

The prognosis of Subamniotic Fibrin Cyst of Placenta is excellent, since it is a benign condition that does not cause any significant signs and symptoms or complications.

Additional and Relevant Useful Information for Subamniotic Fibrin Cyst of Placenta:

Subamniotic Fibrin Cyst of Placenta is sometimes referred to as ‘chorionic fibrin cyst’, which is a wrong terminology for the condition.