Placental gross/microscopic abnormalities, non-neoplastic
Reviewers: Mandolin Ziadie, M.D. (see Reviewers page)
Revised: 10 October 2011, last major update September 2011
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● 2 lobes of equal size, separated by fetal membranes or connected by narrow isthmus of placental tissue
● The umbilical cord inserts in the membranes between the two discs and is at risk for rupture
● If incompletely removed, there is a risk of maternal postpartum hemorrhage
● Two lobes of equal size separated by membranes
End of Placenta > Placental gross/microscopic abnormalities, non-neoplastic > Bilobate placenta
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