Approximately 40% of HIV-infected infants in the United States in 2000 were born to women not diagnosed with their HIV prior to delivery. (1) There are now effective medical therapies to prevent perinatal transmission, including anti-retroviral therapy, but this requires diagnoses of maternal HIV prior to delivery. Both the Centers for Disease Control and Prevention (CDC) and Institute of Medicine (IOM) have published strong recommendations for universal HIV-antibody testing of pregnant women.