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			{{SI}}
			{{Infobox medical condition
			\| name = Circumvallate placenta
			\| image = [[File:Circumvallate_placenta_(533599728).jpg\|250px]]
			\| caption = Circumvallate placenta
			\| field = [[Obstetrics]]
			\| symptoms = [[Vaginal bleeding]], [[preterm labor]], [[premature rupture of membranes]]
			\| complications = [[Intrauterine growth restriction]], [[placental abruption]], [[preterm birth]]
			\| onset = [[Pregnancy]]
			\| duration = Until delivery
			\| causes = Abnormal placental development
			\| risks = [[Maternal smoking]], [[maternal hypertension]], [[multiple gestation]]
			\| diagnosis = [[Ultrasound]], [[histopathological examination]]
			\| differential = [[Placenta previa]], [[placental abruption]]
			\| prevention = None specific
			\| treatment = Monitoring, [[bed rest]], [[corticosteroids]] for fetal lung maturity
			\| prognosis = Variable, depends on severity and complications
			\| frequency = Rare
			}}
	'''Circumvallate Placenta''' is a rare [[placenta\|placental]] abnormality that occurs in approximately 1-7% of pregnancies. It is characterized by a thickened, folded, and fibrotic placental margin with a central depression. This condition is associated with an increased risk of [[pregnancy complications]], including [[preterm labor]], [[intrauterine growth restriction]], and [[stillbirth]].		'''Circumvallate Placenta''' is a rare [[placenta\|placental]] abnormality that occurs in approximately 1-7% of pregnancies. It is characterized by a thickened, folded, and fibrotic placental margin with a central depression. This condition is associated with an increased risk of [[pregnancy complications]], including [[preterm labor]], [[intrauterine growth restriction]], and [[stillbirth]].

	==Definition==		==Definition==
	A '''Circumvallate Placenta''' is a condition where the [[chorionic plate]] is smaller than the [[basal plate]], causing the fetal membranes (the [[chorion]] and [[amnion]]) to double back on the fetal side around the edge of the placenta. This results in a thickened ring around the placenta, which can be identified during an [[ultrasound]] examination.		A '''Circumvallate Placenta''' is a condition where the [[chorionic plate]] is smaller than the [[basal plate]], causing the fetal membranes (the [[chorion]] and [[amnion]]) to double back on the fetal side around the edge of the placenta. This results in a thickened ring around the placenta, which can be identified during an [[ultrasound]] examination.

	==Causes==		==Causes==
	The exact cause of circumvallate placenta is unknown. However, it is thought to be related to abnormal formation of the placenta during the early stages of pregnancy. Some researchers suggest that it may be associated with maternal [[smoking]], [[alcohol consumption]], and [[nutritional deficiencies]].		The exact cause of circumvallate placenta is unknown. However, it is thought to be related to abnormal formation of the placenta during the early stages of pregnancy. Some researchers suggest that it may be associated with maternal [[smoking]], [[alcohol consumption]], and [[nutritional deficiencies]].

	==Diagnosis==		==Diagnosis==
	Circumvallate placenta can be diagnosed through an ultrasound examination. The condition is typically identified by the presence of a thickened, echogenic ring around the placenta. However, the diagnosis can be challenging, as the condition can be easily confused with other placental abnormalities.		Circumvallate placenta can be diagnosed through an ultrasound examination. The condition is typically identified by the presence of a thickened, echogenic ring around the placenta. However, the diagnosis can be challenging, as the condition can be easily confused with other placental abnormalities.

	==Complications==		==Complications==
	Circumvallate placenta is associated with an increased risk of various pregnancy complications. These include [[preterm labor]], [[intrauterine growth restriction]], [[placental abruption]], and [[stillbirth]]. It can also lead to [[neonatal]] complications, such as low birth weight and [[neonatal intensive care unit]] admission.		Circumvallate placenta is associated with an increased risk of various pregnancy complications. These include [[preterm labor]], [[intrauterine growth restriction]], [[placental abruption]], and [[stillbirth]]. It can also lead to [[neonatal]] complications, such as low birth weight and [[neonatal intensive care unit]] admission.

	==Management==		==Management==
	The management of circumvallate placenta depends on the severity of the condition and the presence of any associated complications. Regular monitoring of the pregnancy through ultrasound examinations is typically recommended. In some cases, early delivery may be necessary to prevent serious complications.		The management of circumvallate placenta depends on the severity of the condition and the presence of any associated complications. Regular monitoring of the pregnancy through ultrasound examinations is typically recommended. In some cases, early delivery may be necessary to prevent serious complications.

	==See Also==		==See Also==
	* [[Placenta]]		* [[Placenta]]
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	* [[Intrauterine Growth Restriction]]		* [[Intrauterine Growth Restriction]]
	* [[Preterm Labor]]		* [[Preterm Labor]]

	[[Category:Obstetrics]]		[[Category:Obstetrics]]
	[[Category:Gynaecology]]		[[Category:Gynaecology]]
	[[Category:Medical Conditions]]		[[Category:Medical Conditions]]
	{{Medicine-stub}}		{{Medicine-stub}}
	~~<gallery>~~
	~~File:Circumvallate_placenta_(533599728).jpg~~
	~~</gallery>~~

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	[[Category:Medical Conditions]]		[[Category:Medical Conditions]]
	{{Medicine-stub}}		{{Medicine-stub}}
			<gallery>
			File:Circumvallate_placenta_(533599728).jpg
			</gallery>

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2024-03-03T16:40:52Z

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'''Circumvallate Placenta''' is a rare [[placenta|placental]] abnormality that occurs in approximately 1-7% of pregnancies. It is characterized by a thickened, folded, and fibrotic placental margin with a central depression. This condition is associated with an increased risk of [[pregnancy complications]], including [[preterm labor]], [[intrauterine growth restriction]], and [[stillbirth]].

==Definition==
A '''Circumvallate Placenta''' is a condition where the [[chorionic plate]] is smaller than the [[basal plate]], causing the fetal membranes (the [[chorion]] and [[amnion]]) to double back on the fetal side around the edge of the placenta. This results in a thickened ring around the placenta, which can be identified during an [[ultrasound]] examination.

==Causes==
The exact cause of circumvallate placenta is unknown. However, it is thought to be related to abnormal formation of the placenta during the early stages of pregnancy. Some researchers suggest that it may be associated with maternal [[smoking]], [[alcohol consumption]], and [[nutritional deficiencies]].

==Diagnosis==
Circumvallate placenta can be diagnosed through an ultrasound examination. The condition is typically identified by the presence of a thickened, echogenic ring around the placenta. However, the diagnosis can be challenging, as the condition can be easily confused with other placental abnormalities.

==Complications==
Circumvallate placenta is associated with an increased risk of various pregnancy complications. These include [[preterm labor]], [[intrauterine growth restriction]], [[placental abruption]], and [[stillbirth]]. It can also lead to [[neonatal]] complications, such as low birth weight and [[neonatal intensive care unit]] admission.

==Management==
The management of circumvallate placenta depends on the severity of the condition and the presence of any associated complications. Regular monitoring of the pregnancy through ultrasound examinations is typically recommended. In some cases, early delivery may be necessary to prevent serious complications.

==See Also==
* [[Placenta]]
* [[Placental Abruption]]
* [[Intrauterine Growth Restriction]]
* [[Preterm Labor]]

[[Category:Obstetrics]]
[[Category:Gynaecology]]
[[Category:Medical Conditions]]
{{Medicine-stub}}

Circumvallate placenta - Revision history

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