Table 2.

Delivery endpoints by group.

	Control (n = 660)	Exercise (n = 688)	p-value
Gestational age (days)	277 ± 10	277 ± 12	0.776
Preterm delivery	5%	5%	0.671
Birthweight (g)	3265 ± 459	3234 ± 457	0.232
Apgar score 1 min	8.7 ± 1.2	8.8 ± 1.2	0.701
Apgar score 5 min	9.9 ± 0.7	9.8 ± 0.5	0.038
Instrumental delivery	16%	15%	0.482
Cesarean delivery	22%	19%	0.288
Duration stage 1 of labor (min)	430 ± 501	382 ± 256	0.039
Duration stage 2 of labor (min)	45 ± 50	49 ± 53	0.199
Duration stage 3 of labor (min)	8 ± 7	9 ± 11	0.060

Data are means ± SD or %. Significant p-values (<0.05) are in bold.