Table 1.

Selected clinical data.

	Control (n = 19)	IUGR (n = 25)
Maternal age (years)	25.9 ± 1.29	28.7 ± 1.23
BMI (kg/m2)*	28.3 ± 2.6	26.8 ± 2.0
Gestational age (weeks)	33.9 ± 0.95	35.7 ± 0.61
Birth weight (g)	2493 ± 236	1804 ± 110†
Birth weight percentile‡	55.9 ± 4.6	2.4 ± 0.3§
Placental weight (g)	566 ± 42.0	394 ± 18.4||
Fetal sex (M/F)	7/12	8/17
Mode of delivery (C/V)	6/13	15/10

Data are presented as means ± S.E.M. Abbreviations: C, caesarean section; F, female; M, male; n, numbers; V, vaginal delivery. *n = 10 (control) and 18 (IUGR); ^‡by corresponding gestational age; ^†P < 0.05; ^||P < 0.01; ^§P < 0.0001.