Fig. 1

PMTCT cascade of services for mothers and infants. ANC antenatal clinic, ARV antiretroviral, ART antiretroviral therapy, PITC provider initiated testing and counselling, VCT voluntary counselling and testing. *ARV prophylaxis for PMTCT, or ART for the woman’s own health if she meets eligibility criteria. **Woman was pregnant at the time of VCT or other PITC, or became pregnant after registration at the HIV clinic, before or after starting ART