Table 1.

Definitions of terms as used in this study.

Term	Definition
PLLV	Viral loads between ≥20 and 999 copies/ml on at least two consecutive measures
Virologic failure (VF)	Viral loads ≥ 1000 copies/ml
Viral blips	Viral load consistently ≤50 copies/ml with one viral load measurement ≥ 200-999 copies/ml
Nondetectable VL	Viral loads < 20 copies/ml
Baseline VL	The first viral load test Of importance to note is that viral load tests before the commencement of ART are only done on HIV-positive pregnant mothers who test positive while pregnant or who become pregnant when already enrolled for ART care and their children after birth. Other patients who test HIV positive have to take ARVs for six months before their viral load is tested