Part one of term paper
is defined as various ways used to prevent pregnancy from occurring. has been a concern for humans for thousands of years. The first contraception devices were mechanical barriers in the vagina that prevented the male sperm from fertilizing the female egg. Other methods of that were used in the vagina were sea sponges, mixtures of crocodil ...

Part two of term paper
... ovulation occurs 14 days prior to the woman’s period. She then must avoid sex or use a method of contraception on her fertile days. The effectiveness of this method is around 72%. This methods is also one of the hardest method because the woman must maintain a good record of her menstrual cycle. Another form of are spermicidal jelly, cream or foam. Spermicide can be used without medical supervision, and must be used with each act of intercourse. These have no side affects but must be used ex ...