Question
The following image depicts
| A. | Placenta succenturiata |
| B. |
Placenta marginata |
| C. |
Circumvallate placenta |
| D. |
Circummarginate placenta |
Show Answer
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Correct Answer � C Explanation |
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Ans.C. Circumvallate placenta
This is a circumvallate placenta in which the membranes (amnion and chorion) are folded on themselves for a short distance over the fetal surface when the chorionic plate is too small.
Placenta Defining feature
1. Circumvallate Placenta
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Smaller chorionic plate than the basal plate.
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Chorion is attached not at the border but within the placenta itself.
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The peripheral chorion is a thickened, opaque, gray-white circular ridge composed of a double fold of chorion and amnion.
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Complication: IUGR, PPH, Retained placenta.
2. Circummarginate placenta:
- Placenta is attached with a single layer of Amnion.