Women with a suspected large for gestational age fetus | Overall cohort (n = 3077)% [m ± ET] | Induction of labor at 37–38 weeks+ 6 d(n = 199) | Expectant management (n = 2878)% [m ± ET] | P value |
---|---|---|---|---|
Primiparous | (n = 2982) 39.7 | (n = 193) 34.2 | (n = 2789) 40.1 | .10 |
Uterine scar | (n = 2725) 12.6 | (n = 170) 2.9 | (n = 2555) 13.2 | <.0001 |
History of stillbirth or neonatal death | (n = 1636) 2.9 | (n = 120) 3.3 | (n = 1516) 2.8 | .77 |
Smoked during pregnancy | (n = 2905) | (n = 190) 12.1 | (n = 2715) 13.6 | .57 |
Any pregnancy-related disorder | (n = 3077) 45.9 | (n = 199) 62.8 | (n = 2878) 44.7 | <.0001 |
Polyhydramnios | 9.0 | 16.6 | 8.5 | .0002 |
Hypertension | 6.3 | 14.0 | 5.7 | <.0001 |
Labor onset | (n = 3046) | (n = 199) | (n = 2847) | |
Labor inductiona | 24.1 | 0 | 25.8c | - |
Spontaneous labor | 57.6 | 0 | 61.6 | |
Elective cesarean | 11.8 | 0 | 12.6 | |
Mean gestational age b | (n = 3077) [39.6 ± 1.2] | (n = 199) [37.7 ± 0.5] | (n = 2878) [39.8 ± 1.2] | <.0001 |
Years of delivery | (n = 3077) | (n = 199) | (n = 2878) | |
1994-1997 | 9.4 | 7.5 | 9.6 | .28 |
1998-2001 | 17.4 | 21.6 | 17.1 | |
2002-2005 | 34.3 | 35.7 | 34.2 | |
2006-2008 | 38.9 | 35.2 | 39.1 |