| Women at risk of preterm birth23* |
| Perinatal death |
0.72 [0.58 to 0.89] |
| Neonatal death |
0.69 [0.59 to 0.81] |
| Respiratory distress syndrome |
0.66 [0.56 to 0.77] |
| Intraventricular hemorrhage |
0.55 [0.40 to 0.76] |
| Necrotizing enterocolitis |
0.50 [0.32 to 0.78] |
| Need for mechanical ventilation |
0.68 [0.56 to 0.84] |
| Systemic infections first 48 hours of life |
0.60 [0.41 to 0.88] |
| Bronchopulmonary dysplasia |
0.86 [0.42 to 1.79] |
| Chorioamnionitis |
0.83 [0.66 to 1.06] |
| Antenatal steroids use in infants ≥34 weeks24† |
| Respiratory distress syndrome |
0.74 [0.61 to 0.91] |
| Transient tachypnea of newborn |
0.56 [0.37 to 0.86] |
| Use of mechanical ventilation |
0.52 [0.36 to 0.76] |
| Neonatal hypoglycemia |
1.61 [1.38 to 1.87] |
| Length of stay in neonatal intensive care unit |
−7.64 days [−7.65 to −7.64] |