A 21-year-old gravida 4, para 3 African-American mother developed preterm labor. After a course of antenatal steroids and 2 days of tocolysis, dichorionic twins were delivered at 31 weeks'gestation. Twin A, with a birthweight of 1,600 g, was delivered via normal spontaneous vertex delivery, with Apgar scores of 7 and 8 at 1 and 5 minutes, respectively. Twin B required a cesarean delivery secondary to placental abruption, had a birthweight of 1,340 g, and Apgar scores of 7 and 8 at 1 and 5 minutes, respectively. Twin A was briefly given nasal continuous positive airway pressure and had an uneventful course. Twin B required a brief period of intubation, but also had an uneventful course. Four days before discharge of twin A, when he was 5 weeks old, 3 infants in the NICU developed nasal congestion and were tested with the direct fluorescence antibody (DFA) method for parainfluenza virus (PIV)....

You do not currently have access to this content.