Baseline Characteristics of Enrolled HIV-1 Serodiscordant Couples (N = 4758).

<p>*Any contraceptive use includes: oral, injectable and implantable contraceptives, intrauterine device, hysterectomy or bilateral tubal ligation.</p><p>**Data on sexually transmitted infections available from a subset of participants.</p

Study Schema.

<p>Study Schema.</p

Study Site Laboratory Assays.

<p>*Jinja & Kampala used Vironostika 3^rd gen until March 2010.</p><p>**Tororo & Mbale used Roche C111 until Sept 2010. </p><p>Kabwohe used ^†Immutrep RPR, and</p>‡<p>Determine Syphilis TP until May 2010.</p

Study Inclusion and Exclusion Criteria.

<p>Study Inclusion and Exclusion Criteria.</p