Kaplan-Meier plots of time-to-first pregnancy amongst women on antiretroviral therapy (ART), South Africa.

<p>Time-to-first pregnancy is depicted by: (A) total years-on-ART; (B) time-varying fertility intentions; (C) baseline need for contraception; and (D) time-varying contraceptive use during study follow-up. <i>HC = hormonal contraception</i>.