Different Contreception

The Many Different female contraceptives

How they work

Biology 1101

Females have many different choices when it comes to playing it safe and protecting themselves from pregnancy. One in three girls has had a child by the age of 20. The pregnancy rate among females age 14 and under rose from 13.5 in 1973 to 17.1 in 1992 and about 9% become pregnant each year. In 1994, there were 12,901 births to teens under the age of 15. This can be stopped by the many different kinds of contraceptives. There are pills you can take like the combination pills, mini pills, or plan B. Also there are different kinds of devices that can be put in you like NuvaRing, IUD’s, and Depo-Provera. Other methods you can use that don’t involve hormone doses are abstinence, condoms, and Spermicides.

Abstinence is when you don’t have sex at all. If the sperm is never entering the vigina then there is no chance for it to fertilize the egg. Spermicides work differently. There is sexual intercourse and the spermicides are a lube like substance that is supposes to kill any sperm it comes in contact with. So if used as lube the sperm comes out of the urethra and in to a pool of spermicides and dies on contact. Condoms work as a trapper. They cover the penis during intercourse and when the man ejaculates the latex casing catches all the sperm and keeps it from entering the vigina. These are all forms of birth control that don’t deal with hormones.

The next set of birth control deals with the releasing of hormones to keep you from becoming pregnant. Combination pills contain a combination of the hormones estrogen and progesterone to prevent ovulation, the release of an egg during the monthly cycle. A woman cannot get pregnant if she doesn't ovulate because there is no egg to be fertilized. The Pill also works by thickening the mucus around the cervix, which makes it difficult for sperm to enter the uterus and reach any eggs that may have been released. The hormones in the Pill can also...