“While evidence of a tie between some injectable hormonal contraceptives and an increased risk of HIV acquisition remains incomplete, that potential risk must be balanced against the life-saving benefits of preventing unintended pregnancy, a brief [.pdf] from USAID’s Office of Population and Reproductive Health says,” the Center for Global Health Policy’s “Science Speaks” blog reports. The brief, prepared in collaboration with PEPFAR, “concludes that the search for conclusive evidence of acquisition risk, as well as for safe, affordable technologies to prevent both unintended pregnancy and HIV acquisition, continues,” the blog notes (Barton, 9/13).