<prompt> Which drug regimen is given in a pregnant woman with HIV infection?Tenofovir disoproxil fumarate with emtricitabineTenofovir disoproxil fumarate with lamivudineAbacavir with lamivudineALL  <response>: Preferred Regimens for HIV Antiretroviral Therapy A in Pregnancy Two-NI backbone Regimens include the following Tenofovir disoproxil fumarate with emtricitabine TDFFTC co-formulated or tenofovir disoproxil fumarate with lamivudine 3TC once daily use with caution in renal insufficiency or Abacavir with lamivudine ABC3TC once daily only if HLA-B5701-negative; avoid combination with ritonavir-boosted atazanavir if the pretreatment HIV viral load exceeds 100,000 copiesmL. For women who have never taken HIV medicines, the preferred HIV regimen should include two nucleoside reverse transcriptase inhibitors NIs plus an integrase strand transfer inhibitor I, a non-nucleoside reverse transcriptase inhibitor NNI, or a protease inhibitor PI with low-dose ritonavir brand name: Norvir. The regimen generally should include at least one of the following NIs that pass easily across the placenta: abacavir brand name: Ziagen emtricitabine brand name: Emtriva lamivudine brand name: Epivir tenofovir disoproxil fumaratebrand name: Viread zidovudine brand name: Retrovir REF : HARRISONS 21ST ED 