Table 1.

Comparison of PMTCT Options A, B and B+ [7, 8]

Timing	Option A		Option B		Option B+
	Mother	Baby	Mother	Baby	Mother	Baby
Antepartum	ZDV from 14 weeks onward		Three drug ARV combination from 14 weeks until end of breastfeeding		Three drug ARV combination (from 1st HIV+ test) for life
Intrapartum	Single-dose NVP
Postpartum	1 week ZDV + 3TC	NVP for 6 weeks or until end of breastfeeding		NVP or ZDV until 6 weeks		NVP or ZDV until 6 weeks

ZDV zidovudine, NVP nevirapine, 3TC, lamiduvine, ARV antiretroviral