Norplant is available by prescription only, so a pelvic exam, Pap smear, and medical history are part of the preinsertion counseling. A video about Norplant may help couples decide whether they want to use this method. Visit the Health Ed. Spermicides kill and immobilize sperm. Nonoxynol-9 is the most common ingredient in spermicidal products, but some new chemicals are being studied.
Spermicides tend to be a bit messy, but they offer temporary protection from unwanted pregnancy.
All spermicides should be inserted in the vagina prior to having intercourse, but they are used somewhat differently and offer protection for different lengths of time. Therefore, it is especially important for users to read all package instructions carefully and use the products within the expiration dates printed on the product. Although they may look large, they fit very comfortably inside the vagina. A special spermicide is applied before the device is inserted prior to intercourse. By covering the cervix, which is the opening end of the uterus, sperm are prevented from getting to the egg.