Placental findings in specific newborn/fetal or maternal conditions
Twins and acardia
Reviewers: Mandolin Ziadie, M.D. (see Reviewers page)
Revised: 15 November 2011, last major update November 2011
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● Malformed acardiac twin that is perfused by a normal twin
● Usually has a single umbilical artery
● Seen in 1% of monozygotic twin gestations
● Acardiac twinning in dichorionic twin placentas (Hum Pathol 1998;29:1028)
End of Placenta > Placental findings in specific newborn/fetal or maternal conditions > Twins and acardia
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