A Brief Summary and History of Contraceptive Devices

A Brief Summary and History of Contraceptive Devices

Contraceptive devices were designed to friend prevent pregnancy, not to protect against Sexually Transmitted Diseases. For any method of contraception, there is a hardship yard in preventing pregnancy. The only way to protect yourself 100% from pregnancy or STDs is to not collect sex. The failure rate could be cause by all the method itself or by human error, such(prenominal) as incorrect use. Each method has possible billet effects, some excusable, some more serious. Most methods using arse be divided into two groups: physical (barrier) methods, and chemical methods.

Barrier methods prevent the sperm and the egg apart, and usually have only minor side effects. There be five barrier methods/devices: male condoms, female condoms, sponges, diaphragms, and cervical caps. The male condom is the only hinderance considered highly effective in helping to protect against STDs. It has a birth control failure rate of nearly 15%, which is the lowest failure rate of the barrier methods. Most failures atomic number 18 caused by improper use.

The other four barrier contraceptives are used by the female, and all have a failure rate of about 20%. The female condom, like the male, catches the males semen. However, the diaphragm, cervical cap, and sponge all use spermicides to kill the sperm in the first place they reach the cervix. Spermicides are a chemical method.

Chemical methods prevent either ovulation or the implantation of a fertilized egg into the uterine wall. In general, chemical contraceptives have a lower failure rate than barrier methods; however, they also have no protection some(prenominal) against STDs.



Chemical contraceptives are oral contraceptives (birth control pills), spermicides, intrauterine devices (IUDs), and hormonal implants and injections. Hormonal implants and injections have many side effects. However, they also have failure rates of less than 1%. Spermicides, which come in the...

A very interesting and informative essay. It would have been even better(p) if in the last paragraph you provided more details about the methods used in the past.

well reseacrched and presented. Did you know that the ancient egyptian women used a mixture of crocdile dung and milk as a sponge? i guess it probably killed the mood somwhat!

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