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Difference between revisions of "Placenta"
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(→Membranes: +circumvallate placenta) |
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***Normal: 2 arteries, 1 vein. | ***Normal: 2 arteries, 1 vein. | ||
*Membranes - shiny & translucent - normal (green, opaque/dull - chorioamnionitis). | *Membranes - shiny & translucent - normal (green, opaque/dull - chorioamnionitis). | ||
**Attachment: marginal (normal), circummarginate (inside edge), circumvallate (folding on self). | **Attachment (insertion): marginal (normal), circummarginate (inside edge), [[circumvallate placenta|circumvallate]] (folding on self). | ||
**Site of rupture - if obvious; low point of rupture suggests low-lying placenta. | **Site of rupture - if obvious; low point of rupture suggests low-lying placenta. | ||
*Placental disc. | *Placental disc. | ||
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*[[AKA]] ''circumvallate insertion of the membranes''. | *[[AKA]] ''circumvallate insertion of the membranes''. | ||
===General=== | ===General=== | ||
*May be associated with placental abruption.<ref name=pmid18226129>{{Cite journal | last1 = Suzuki | first1 = S. | title = Clinical significance of pregnancies with circumvallate placenta. | journal = J Obstet Gynaecol Res | volume = 34 | issue = 1 | pages = 51-4 | month = Feb | year = 2008 | doi = 10.1111/j.1447-0756.2007.00682.x | PMID = 18226129 }}</ref> | *May be associated with [[placental abruption]].<ref name=pmid18226129>{{Cite journal | last1 = Suzuki | first1 = S. | title = Clinical significance of pregnancies with circumvallate placenta. | journal = J Obstet Gynaecol Res | volume = 34 | issue = 1 | pages = 51-4 | month = Feb | year = 2008 | doi = 10.1111/j.1447-0756.2007.00682.x | PMID = 18226129 }}</ref> | ||
===Gross=== | ===Gross=== | ||