Single-Tablet Combination Therapy for HIV Infection in Pregnancy.

Advances in the management of human immunodeficiency virus infection during pregnancy have led to improved maternal health and significant declines in rates of mother-to-child transmission of human immunodeficiency virus. A critical contributor to this success has been the development of better tolerated, safer, and more convenient antiretroviral medication regimens. Today, 12 fixed-dose, single-tablet combination antiretroviral regimens are available in the United States. These regimens are commonly used in nonpregnant individuals. However, because of altered pharmacokinetics of many drugs during pregnancy and concerns regarding short- and long-term fetal safety, few of these regimens are appropriate for routine use in pregnancy.