You should always have annual checkups. The condom is one of the most widely used contracpetive. When used carefully, along with spermicide, it is an effective means of birth contol. A condom consists of a thin rubber sheath that fits tightly over a man's penis. The semen is trapped preventing it from going into the vagina.
Some people complain that condoms reduce sensitivity but lubricated brands are a better improvement.
A diaphragm is a soft, rubber dome that fits over the cervix, and it must be used with spermicide each time you have intercourse. Diaphragms can be really hard to insert properly, especially because they're greased with spermicide. Practice makes perfect, so practice using it. Diaphragms must be inserted at within 6 hours before sex, and should stay in place 6 to 8 hours after intercourse. Top of Page Spermicide Spermicide contains Nonoxynol-9, a chemical designed to kill sperm.