<prompt> Amnion nodosum has which of the following characteristics?Generalized amnion thickeningMultiple, redundant folds of amnionMultiple, small, tan amnionic lesionsMultiple, small fenestrations in the amniochorion  <response>: Amnion nodosum is a placental lesion consisting of numerous small, light-tan nodules on the amnion that overlies the placenta. It is considered a hallmark of prolonged and severe oligohydramnios. It is also associated with multiple pregnancy, perinatal moality, macerated stillbihs, and chronic twin-transfusion syndromes. 