A number of findings in the placenta may indicate maternal vascular malperfusion.
Criteria for maternal vascular malperfusion - at least 2 of the following:
(1) placental weight < 10th percentile for gestational age
(2) number of marginal infarcts > 2
(3) number of central infarcts >= 1
(4) evidence of abruption
(5) decidual arteriopathy
(6) thin umbilical cord
Criteria for severe malperfusion:
(1) placental weight < 10th percentile
(2) multiple non-marginal infarcts
(3) > 30% of the placental parenchyma showing pathologic change
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Specialty: Obstetrics & Gynecology
