Table 2. Time spent per woman in Option B^a or Option B+^b over 5 years postpartum.

Breastfeeding status and duration	CD4+ count 350–500 cells/µl				CD4+ count > 500 cells/µl
	Months spent in care (pre-ART)	First 12 months on ART	Remaining months on ART		Months spent in care (pre-ART)	First 12 months on ART	Remaining months on ART
Breastfeeding
12 months	23c	12	13		48	0	0
18 months	23c	12	7		42	0	0
24 months	23c	12	1		36	0	0
No breastfeeding	17	12	31		60	0	0

ART, antiretroviral therapy.

^a Option B comprises a maternal triple antiretroviral (ARV) regimen, typically consisting of the recommended first-line ART, during pregnancy and throughout breastfeeding, in combination with 6 weeks of daily nevirapine for the infant, regardless of infant feeding method.

^b Option B+ comprises a triple ARV regimen initiated during pregnancy and continued for life.

^c Includes duration of breastfeeding.