WASHINGTON -Manufacturers of gels, films and other products designed to prevent pregnancy must state that they do not protect against sexually transmitted diseases, under a new federal rule.The Food and Drug Administration unveiled a new label Tuesday for widely used vaginal contraceptives containing the sperm-killing chemical nonoxynol 9. The label makes clear that the over-the-counter products, which include diaphragms, do not stop the spread of sexually transmitted diseases, including HIV.
