According to WHO statistics, there are 2.5 million pregnant AIDS victims worldwide, and in 2004 630,000 AIDS babies were born. Prevention of vertical transmission from mother to child has now become one of the central pillars of UN AIDS prevention work.
根據世界衛生組織估計，包括單一性伴侶的女性在內，全球總計有 250 萬名孕婦為愛滋感染者，2004 年生出了 63 萬名愛滋寶寶，預防母子垂直感染已成為聯合國近年的愛滋防治重點。