Amniocentesis-related pregnancy loss in monochorionic and dichorionic twin pregnancies: preliminary data from a large, single-center, retrospective case series analysis. (November 2016) - Chiofalo, Benito; Dugo, Nella; Laganà, Antonio Simone; Rizzo, Laura; Retto, Annalisa; Amadore, Donatella; Luvero, Daniela; Coco, Claudio; D'Emidio, Laura; Padula, Francesco; Triolo, Onofrio; Giorlandino, Claudio