I n the past 20 years, advancing maternal age and greater reliance on assisted-conception techniques have dramatically increased the incidence of multiple births, including monochorionic twins (see Glossary) [1,2]. Concomitantly, there have been advances in our understanding of these high-risk pregnancies. The offspring of multiple pregnancies are at greater risk for adverse perinatal outcomes ...

Background. Management of multiple gestation complicated by the foeto-foetal transfusion syndrome is among most intricate modern obstetric issues. The develops in 10–20% monochorionic diamniotic twins leading to 80–100% mortality one or both if left uncorrected, especially early cases. Although usually with placentae, there are notable exceptions vascular placental anastomoses reported dichorio...