Table 2.

Pregnancy outcome for women exposed to amoxycillin/clavulanic acid (A/C) compared with that of women exposed to amoxycillin

Pregnancy outcome	A/C	Amoxycillin	P	RR	95% CI
Live births	158/191	162/191	0.67	0.98	0.89, 1.07
Stillbirth	1/191	0/191	0.31
Spontaneous abortion	14/191	12/191	0.68	1.17	0.55, 2.46
Induced abortion	18/191	16/191	0.71	1.13	0.59, 2.14
Gestational age at birth	39.4 ± 1.6 (34–42)	39.6 ± 1.6 (30–42)	0.294*
Prematurity (<37 weeks)	6/158	5/163	0.73	1.24	0.39, 3.97
Birth weight (g)	3239 ± 488 (1670–4300)	3232.8 ± 468 (1950–4500)	0.582*
Birth weight <2500 g	7/158	6/163	0.75	1.2	0.41, 3.5
Fetal distress	5/158	5/163	0.97	1.03	0.3, 3.49
Vaginal delivery	126/158	142/163	0.04	0.92	0.83, 1.01
Caesarean section	33/158	20/163	0.04	1.7	1.02, 2.84
Major malformations	3/158	5/163	0.49	0.62	0.15, 2.55

^*T-test.