Abstract: A device for preventing transmission of bodily fluids during sexual relations from a first person to a second person, wherein the second person is male, may include a first part and a second part. The device may be formed of elastic material. The first part may have an inner side. At least a portion of the inner side may be coated with glue to fix the device to the sexual organ of the second person. The second part may include a material or membrane that is designed to repute upon ejaculation of the second person. The second part further may include a stiffer portion configured to be at least partially disposed in the urethra of the sexual organ of the second person.