Table 2.

Pregnancy outcomes by fetal sex (N=648)

	Male fetal sex n=323	Female fetal sex n=325	a OR 95% CI	b Adj. OR 95% CI
cPreeclampsia
Preeclampsia	102 (31.6)	114 (35.1)	1.1 (0.8–1.6)	1.2 (0.8–1.7)
cPreeclampsia defined by gestational age at delivery and severity
Term preeclampsia	86 (28.0)	92 (30.4)	1.1 (0.8–1.6)	1.2 (0.8–1.7)
Delivery <37 weeks gestation	16 (6.8)	22 (9.4)	1.4 (0.8–2.8)	1.6 (0.8–3.4)
Delivery <34 weeks gestation	5 (2.2)	13 (5.8)	2.7 (1.0–7.7)	3.2 (1.1–9.6)
Severe preeclampsia	22 (9.1)	31 (12.8)	1.5 (0.8–2.6)	1.5 (0.8–2.7)
dSmall for gestational age
Small for gestational age
SGA only	42 (13.6)	37 (11.9)	0.9 (0.6–1.4)	0.9 (0.6–1.4)
SGA and preeclampsia	24 (7.7)	25 (8.0)	1.0 (0.6–7.8)	1.1 (0.8–1.5)
ePreterm birth among normotensive controls
Normotensive preterm birth	37 (11.5)	19 (5.9)	0.5 (0.3–0.9)	0.5 (0.2–0.9)

^aOdds ratios were estimated using logistic regression

^bAdjusted for race, maternal age, body mass index and smoking

^cReference group normotensive controls

^dReference group pregnancies without SGA

^eReference group term (≥37 weeks) control deliveries