Twin-to-twin transfusion syndrome Hector G Quiroga, MD, Jorge Velazco, MD, Daniel Chirinos, MD, Libia Parra, MD Article Published: Apr 6, 2004 Hospital Central Universitario “Antonio María Pineda”. Barquisimeto. Estado Lara. Venezuela Figure 1-2: Fetal surface of the placenta showing two sacs, a dividing membrane and the vascular anastomoses. Figure 3: Placenta Figure 4: The newborns: the right is bigger and pletoric; the left is smaller and anemic. Discussion Board Start a discussion about this article Add bookmark Bookmarked