Dias, T.; Arcangeli, T.; Bhide, A.; Napolitano, R.; Mahsud-Dornan, S.; Thilaganathan, B.
(Wiley, 2011)
OBJECTIVE: To determine the accuracy of ultrasound at 11-14 weeks' gestation in the diagnosis of chorionicity in twin pregnancy. METHODS:This was a retrospective observational study of data obtained between 1999 and 2010. ...