Table 1. Clinical features of the study population.

	Age-matched controls (n=58)	Early-onset preeclampsia (n=58)	IUGR (n=29)
Mean maternal age (years)	33.4±4.8	29.9±5.2	29.8±5.3
Mean gestational age at delivery (weeks (range))	29±3.3 (25–35)	28.6±2.86 (24–35)	31.5±1.2 (28–33)
Blood pressure (mm Hg)	Systolic: 112±7.5 Diastolic: 68.7±5.7	Systolic: 175.5±16 Diastolic: 108±14.4	Systolic: 112.7±18.6 Diastolic: 75.5±6.5
Proteinuria (g/24 h)	Absent	3.0±1	Absent
Fetal weight (g)	AGA (n=58): 1488.2±668.2	AGA (n=48): 1250±387 IUGR (n=10): 816.5±394	IUGR (n=29): 1025±228
A/REDF (% of women)	0	0	100
Fetal sex	Males=45% Females=55%	Males=66% Females=34%	Males=56% Females=44%
Mode of delivery	CS 41% VD 59%	CS 90% VD 10%	CS 100%

Abbreviations: AGA, appropriate for gestational age; IUGR, intra-uterine growth restriction; A/REDF, absent/reverse end diastolic flow of the umbilical arteries; VD, vaginal delivery; CS, cesarean section delivery

Data are represented as mean±S.D.