“…Although planned late preterm birth is reasonable in patients with singleton pregnancies, this strategy is unworkable in those with twins, because most patients with twin pregnancies will have unscheduled deliveries, with the attendant risks, before 34 weeks of gestation. 1 Prenatal diagnosis of vasa previa has vastly improved outcomes of singleton pregnancies, and patients can be optimistic, although these pregnancies remain at risk and we must be cautious about becoming complacent. The optimal management for twin pregnancies remains unclear but will have the largest effects on mortality related to vasa previa.…”