Outcome
Primary outcome parameters included still birth, neonatal death,, development of respiratory distress, bronchopulmonary dysplasia, intraventricular hemorrhage, Transient tachypnea of newborn(TTN) ,Hyaline membrane disease (HMD), necrotizing enterocolitis(NEC) ,sepsis, and neonatal intensive care (NICU) stay longer than 7 days. Perinatal outcome was defined as adverse when any of these complications was present.