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Describe the biological basis of three methods of contraception and discuss the ethical issues that relate to contraception.

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Describe the biological basis of three methods of contraception and discuss the ethical issues that relate to contraception. - Mechanical or Chemical BARRIERS - Condoms this is a latex sheet that covers the penis entirely and leaves an empty space at the tip of the penis. Their main use is so as to prevent the passing of veneral diseases or STDs such as AIDS, as well contraception. At the moment of ejaculation the sperm is trapped in the empty space at the tip of the condom. There has been a controversy that the condoms do not prevent AIDS from infecting someone, as the virus is small enough to pass through the latex. Yet in the laboratories where condoms were tested they showed that they were very effective against the aids virus. ...read more.


The spermicide is logically placed before the sexual intercourse. Some can be effective right away, and other forms such as suppositories need time to spread and diffuse. It should be applied every hour, otherwise the efficacy decreases. Hormonal Contraception the pill (oral contraceptives): This is the most commonly used contraceptive taken everyday for three weeks, then stopped to allow menstruation and then taken back for three weeks. There are many different ways of making the pill work. It basically works by throwing off the hormonal cycle either by use of progestin (progesterone like hormone) or estrogen. It is associated with a small increased risk of cardiovascular disease. Sterilization: -tubal ligation this is a sterilization for women, where both the fallopian tubes are cut/burned so as to block any egg trying to reach the uterus. ...read more.


Other methods of contraception are ok as they do not kill any life. extremists might say that they are wrong as they still stop the chance for life to come about. The main object of discussion is abortion. Religious groups and others are against it as they say it is a form of murder, whereas others are for it as they say the baby was never wanted anyway and that it's still too young to be counted as human. Studies show that the fetus' brain works after a few weeks, and thus it is a being. Abortion can be practiced either mechanically or chemically (using RU-486 and protaglandins). Mechanically one can either use a suction device (for the first three months of pregnancy) or using surgery (later in pregnancy). Abortion is the most wordwide used method of contraception. I personally believe abortion should be allowed if the woman was raped, and if the baby is not too old. 1 Taken from http://www.caps.ucsf.edu/condtext.html ...read more.

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