Sociodemographic, behavioural, and clinical characteristics of the study population by group.

1<p>Pregnant: up to 14 weeks gestational age at enrolment as defined by abdominal ultrasound;</p>2<p>Vaginal Practices: using other substances than the use of water, soap and/or fingers alone;</p>3<p>HIV-positive women: on antiretroviral treatment for at least 6 months, currently asymptomatic, and a CD4 count of more than 350 cells/µl.</p>4<p>N (%) of women with the characteristic; mean/median (range) when otherwise specified;</p>5<p>Last 3 months prior to screening visit;</p>6<p>Sexual risk taking: Low risk: 1 or no partners in last year AND did not have any partner (in the last 3 months) with multiple partners AND age first sex at least 15 years; Medium risk: 2 partners last year OR had at least one sexual partner (in the last 3 months) who had multiple partners; High risk: sex worker OR at least 3 partners last year OR at had at least one sexual partner with HIV in the last 3 months OR age first sex less than 15 years.</p>7<p>Recent vaginal sex: vaginal sex this morning and/or yesterday evening before enrolment visit;</p>8<p>Prostate specific antigen present in vaginal fluid, including weak reaction.</p>9<p>With partners in the 3 months prior to enrolment;</p>10<p>Most of the time/every time.</p>11<p>Data for <i>Trichomonas vaginalis</i> testing was unavailable for 8 women, HSV-2 for one, and Nugent scores slides were unreadable at screening for 36 and at enrolment for 41.</p><p>Sociodemographic, behavioural, and clinical characteristics of the study population by group.