Table 1.

Demographic and obstetric date

	7.5 mg (n = 20)	9.0 mg (n = 20)	10.5 mg (n = 20)	12.0 mg (n = 20)
Age, yr	28 ± 3	28 ± 4	29 ± 4	30 ± 5
Height, cm	162 ± 7	160 ± 5	161 ± 4	159 ± 3
Weight, kg	70 ± 6	68 ± 9	70 ± 7	69 ± 8
Gestational age, wk	39 ± 1	40 ± 1	39 ± 2	39 ± 1
Weight of neonate, g	3370 ± 443	3403 ± 424	3418 ± 346	3347 ± 276
Duration of surgery, min	43 ± 8	42 ± 7	44 ± 8	43 ± 10