Table 1.

Characteristics of study subjects and levels of blood pressure

Characteristic	Normal pregnancy (n = 11)	Preeclampsia (n = 12)
Maternal age, y	29±1	30±1
Gestational weeks at delivery	39±0.2	37.9±0.6
No. of primigravida (%)	5 (45%)	5 (42%)
Cesarean section, No.	4	7
Vaginal delivery, No.	7	5
Infant birth weight, g	3796±121	3404±127*
Systolic blood pressure, mm Hg	111±2	159±5**
Diastolic blood pressure, mm Hg	73±2	99±3**

Data are given as means ± SEMs unless otherwise noted.

*P < 0.05, **P < 0.01 versus normal pregnant subjects, 2-tailed t test.