The patient population will consist of 80 HIV-infected women (who are on their first cART regimen containing either a PI or an NNRTI for at least three months and who have evidence of full virologic suppression (HIV RNA VL < 50 copies/mL) on at least two occasions at least one month apart. The first cART regimen can include ARV switches as long as these switches are not due to virologic failure. The patient population is being limited to women who have full virologic suppression to avoid inclusion of women with difficulty with drug adherence.