twins have been confirmed, then some unique com- plications mentioned in this article should be kept in mind before performing sonographic examina- tion. These complications include twin–twin trans- fusion syndrome (TTTS), twin reversed arterial perfusion (TRAP), MC twins with selective intrauter- ine growth restriction (IUGR), and MC twins with one anomaly.
Common obstetric complications, such as preeclampsia, gestational diabetes, preterm labor, and intrauterine fetal growth restriction, occur more frequently in multiple gestations, yet the diagnosis and management of these conditions are similar to