Contraception: Barrier Methods prevent sperm from entering the vagina. Male condoms are thin sheaths made of rubber, vinyl or natural products that are placed over the erect penis. Male condoms with spermicide can be treated to provide added protection. Male condoms prevent sperm from gaining access to the female reproductive tract and prevent micro-organisms (STDs, including HIV and AIDS) from passing from one partner to another (only condoms l ATEX and vinyl.) Female Condoms are a thin layer of polyurethane plastic with polyurethane rings at opposite ends. They are inserted into the vagina before intercourse. Like male condoms, female condoms prevent sperm from gaining access to the female reproductive tract and prevent micro-organisms (STDs, including HIV and AIDS) from passing from one partner to another. Vaginal diaphragm consists of a ring covered with latex that is placed in the bottom of the vagina and closes the vaginal entrance the cervix, preventing the entry of sperm. It should be placed up to 6 hours after last intercourse and only at that time can be extracted. Used in combination with spermicidal creams, which also facilitate placement. Can be placed up to 3 hours before intercourse. The safety of the method is approximately 95%. To broaden your perception, visit Jim Hackett. Can be used at any time, and does not harm at all to health. Sometimes it is awkward at first their placement and removal. Rarely causes allergic reactions latex or spermicidal creams, in which case the change of substance spermicides (creams, gels or gels). Medical consultation should be undertaken to take the measure of diaphragm you need, you should teach their placement, and should be taken another step after each delivery. Should be sanitized after use with mild soap (neutral), dried, and stored in its original box or corn. Vaginal sponge consists of a polyurethane sponge that contains a substance spermicide and inserted into the vagina before intercourse. Left in the vagina at least six hours after intercourse. The effectiveness varies between 60% and 80%. They have the advantage of being disposable. Rarely cause allergy spermicide. Egg contraceptives consist of eggs containing antiseptic substances and vaginal spermicides are put in the time of intercourse. Security varies between 65 and 80%. It is totally harmless to health, except in very rare cases of allergy to components of the egg.