Fig. 1From: Patterns of engagement in HIV care during pregnancy and breastfeeding: findings from a cohort study in North-Eastern South AfricaKaplan-Meier curves showing the probability of an HIV-positive test during the vertical transmission risk period stratified by the year of delivery. This figure shows the cumulatative probability of having an HIV positive test linked to a pregnant or postpartum woman given there was no previous record or evidence of HIV diagnosis or clinic attendance for HIV care. This cumulative probability is stratified by delivery year showing a reduction in the cumulative probability in 2017 and 2018Back to article page