Twins

The diagnosis of a twin pregnancy is often met with wonder and excitement by those with limited knowledge or experience of multiple gestations. And yet, the incidence of almost all obstetric complications is elevated in twin gestations above that of singleton pregnancies, and outcomes are consistently worse.This article explores both the complications of twins in common with singleton pregnancies, and also those unique to twins. The importance of determining chorionicity early in pregnancy is illustrated repeatedly, and routine antenatal management and the delivery of twins are examined critically.