Table 2.

Pregnancy outcome for women exposed to cefuroxime compared with that of women exposed to nonteratogenic antibiotics.

Pregnancy outcome	Cefuroxime	References	P	RR	95% CI
Live births	93/106	97/106	0.36	0.96	0.87–1.05
Spontaneous abortion	3/106	6/106	0.3	0.50	0.13–1.95
Induced abortion	10/106	3/106	0.04	3.33	0.94–11.77
Gestational age at birth (weeks)	39 ± 2.8(23–42)	39 ± 1.7	0.6
		(34–42)
Prematurity (< 37 weeks)	4/93	6/97	0.5	0.70	0.20–2.39
Birth weight (g)	3220 ± 539	3231 ± 530	0.9
	(560–4420)	(1370–4430)
Birth weight	4/93	6/97	0.5	0.70	0.20–2.39
< 2,500g
Fetal distress	10/93	8/97	0.5	1.3	0.54–3.16
Vaginal delivery	83/93	87/97	0.9	1.0	0.9–1.1
Caesarean section	10/93	10/97	0.9	1.04	0.46–2.39
Major malformations	3/93	2/97	0.61	1.56	0.27–9.15
Minor malformations	10/93	6/97	0.25	1.74	0.66–4.59

RR = Relative Risk 95% CI = 95% Confidence Interval.