Gestational Age of 370/7-376/7 Weeks | Gestational Age of 380/7-386/7 Weeks | Gestational Age of 390/7-396/7 Weeks | Gestational Age of 400/7-406/7 Weeks | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Outcome | Planned Delivery, n=177 | Expectant Management, n=4,728 | P | Planned Delivery, n=392 | Expectant Management, n=3,736 | P | Planned Delivery, n=534 | Expectant Management, n=2,434 | P | Planned Delivery, n=458 | Expectant Management, n=1,218 | P |
Perinatal death | 0 | 14 (0.3) | 0.47 | 0 | 9 (0.2) | 0.33 | 1 (0.2) | 6 (0.3) | 0.80 | 1 (0.2) | 2 (0.2) | 0.82 |
Stillbirth | 0 | 8 (0.2) | 0.58 | 0 | 4 (0.1) | 0.52 | 0 | 3 (0.1) | 0.41 | 0 | 1 (0.1) | 0.54 |
Neonatal death | 0 | 6 (0.1) | 0.64 | 0 | 5 (0.1) | 0.47 | 1 (0.2) | 3 (0.1) | 0.72 | 1 (0.2) | 1 (0.1) | 0.47 |
Adverse neonatal eventa | 3 (1.7) | 68 (1.4) | 0.78 | 4 (1.0) | 51 (1.4) | 0.57 | 9 (1.7) | 31 (1.3) | 0.46 | 3 (0.7) | 21 (1.7) | 0.10 |
Note: Data are presented as n (%).
↵aAdverse neonatal event is defined as assisted ventilation >30 minutes, birth injury, seizures, or 5-minute Apgar score ≤3.