In settings in which health services provide and support lifelong ART, including adherence counselling, and promote and support breastfeeding among women with HIV, the duration of breastfeeding should not be restricted. Furthermore, as for the general population, mothers living with HIV (and whose infants are HIV uninfected or of unknown HIV status) should exclusively breastfeed their infants for the first six months of life, introducing appropriate complementary foods thereafter while continuing to breastfeed. Breastfeeding should then only stop once a nutritionally adequate and safe diet without breast milk can be provided. WHO-recommended breastfeeding is defined as: (1) initiating breastfeeding within the first hour of life; (2) exclusive breastfeeding for the first six months of life (that is, the infant receives breast milk only without any additional food or drink, not even water); followed by (3) continued breastfeeding for up to two years of age or beyond (with the introduction of appropriate complementary foods at six months);