NJPA February 2012 Newsletter In this newsletter… Management of monochorionic-diamniotic twin gestations Information on MaterniT21 testing Meet our perinatologist About Monochorionic-Diamniotic Twins Monochorionic-diamniotic twin gestations are unique in that they are at risk for certain conditions that are not encountered in dichorionic multiple gestations. For example, twin-twin transfusion syndrome is seen in approximately 15% of [...]