Welcome to wonderboyg's page.
Contributor score: 8
Also, ball like masses of proliferating decidua, I think, means ectopic decidua, which can be seen in endometriosis, deciduocervicitis, and in the lymph nodes. Markedly dilated fetal blood vessels can be seen in rare complication of placentomegaly which could potentially lead to IUGR but could also result in a normal neonate.
@nwinkelmann no, ball-like masses of proliferating decidua are seen in endometrial papillary syncytial change