Table 1 Characteristics of subjects. Data are expressed as means (± standard deviation).
Exercise group Control group
n 17 81
Age, years 33.4 (2.85) 32.1 (4.0)
Nulliparity, number (%) 8 (47.1) 33 (40.7)
Family history of hypertension, number (%) 5 (29.4) 18 (22.2)
Height, m 1.58 (.06) 159.2 (5.7)
Body weight before pregnancy, kg 51.2 (5.3) 51.5 (7.0)
Body mass index before pregnancy, kg·m-2 20.6 (2.00) 20.3 (2.4)
Weight gain during pregnancy, kg 10.4 (3.9) 10.2 (3.9)
Gestational age at delivery, week 39.1 (1.5) 39.2 (1.17)
Cesarean delivery, number (%) 3.0 (17.6) 15.0 (18.5)
Blood loss during delivery, ml 471.6 (346.5) 462.3 (348.1)
Neonatal birth weight, g 2988.3 (454.3) 3009.4 (396.6)
All data between the two groups were no significant differences.