Table 1.

HIV and STI Incidence in Women Who Became Pregnant During the Trials Compared With Those Who Remained Nonpregnant Throughout the Trials

Disease	Pregnancy Status	Number of Infections	Incidence (per 100-Person Years)	95% CI	P Value
Neisseria gonorrhoeae	Pregnant	49	3.92	2.97–5.19	.85
	Nonpregnant	363	3.79	3.42–4.20
Chlamydia trachomatis	Pregnant	131	10.87	9.16–12.90	.48
	Nonpregnant	923	9.78	9.18–10.44
Treponema pallidum (syphilis)	Pregnant	18	1.43	0.90–2.27	.038
	Nonpregnant	206	2.14	1.86–2.45
Trichomonas vaginalis*	Pregnant	49	7.42	5.61–9.82	.19
	Nonpregnant	362	6.85	6.18–7.59
HIV	Pregnant	75	5.93	4.73–7.44	.14
	Nonpregnant	683	7.05	6.54–7.60

Abbreviations: CI, confidence interval; HIV, human immunodeficiency virus; STI, sexually transmitted infection.