Prematurity in multiple gestations: identification of patients who are at low risk.

Objective: The purpose of this study was to evaluate a strategy for the identification of patients with multiple gestations who are at low risk for preterm delivery.

Study Design: A prospective observational study among patients with twin and triplet gestations. At 20 and 24 weeks of gestation, screening for bacterial vaginosis and fetal fibronectin was performed, followed by digital and sonographic assessment of the cervix.