There are two methods of birth control: they are barrier and non-barrier. The barrier method work by blocking the pathway that sperm must take to reach and egg and helps against STD's. The non-barrier method helps prevent pregnancy but not against STD's. I will explain more and tell about each of the methods.
Barrier methods must be used correctly every time you have sexual intercourse. Some barrier methods require both sex partners cooperate in the use of them. If you use the barrier methods correctly they are very effective in preventing pregnancy. The barrier methods include male condoms, female condoms, diaphragm, contraceptive sponges, and the cervical cap.
The male condoms are called "rubbers". They are sheaths made of thin latex rubbers or lambskin. Lambskin condoms are thinner than latex condoms and do not provide protection against STD's. However latex condoms do prevent against STD's. The male condoms are the easiest to buy and are quite effective in preventing pregnancy.
Female condoms are a vaginal pouch that covers the vaginal canal, along with entire genital area. The female condom is inserted into the vagina and placed against the cervix to keep sperm from traveling up into the uterus. This is the preferred means of birth control for some women. It provides more protection against STD's than any other method available for women's use.
A diaphragm is a dome shaped cup made of thin rubber. The diaphragm should be placed by the women into the vagina and placed against the opening of the uterus. The diaphragm is inserted 6 hours before sexual intercourse and kept inside for ate least 6 hours afterwards. The diaphragm should be checked often for holes and fitted by a doctor.
The contraceptive sponge is a dome-shaped sponge that contains a spermicidal. The sponge is fires wet with water then placed inside the vag
...