A 28 1/7 week gestational age male infant with a birthweight of 1,280 g was born to a 23-year- old gravida 3, para 0-0-2-0 woman. The pregnancy was uneventful until the night before delivery when she developed preterm labor. She received 1 dose of betamethasone 8 hours before delivery. She also received 3 doses of penicillin for unknown group B Streptococcus status. Artificial rupture of membranes occurred a few hours before birth and the amniotic fluid was clear. The birth was via normal spontaneous vaginal delivery. The placenta appeared grossly normal, but subsequent pathologic examination showed mild chorioamnionitis. The infant’s Apgar scores were 8 at 1 minute and 9 at 5 minutes of age. The infant was clinically stable and treated with continuous positive airway pressure. The infant had a normal complete blood cell (CBC) count and was started on antibiotics because of preterm labor. The infant also received intravenous...

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