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Although no method of birth control is ideal for every user, some methods remain more effective, affordable or intrusive than others. Outlined here are the different types of barrier methods , hormonal methods , various methods including spermicides , emergency contraceptives , and surgical methods [ 1 ] and a comparison between them.
Modern contraceptives using steroid hormones have perfect-use or method failure rates of less than 1% per year. The lowest failure rates are seen with the implants Jadelle and Implanon, at 0.05% per year. [9] [10] According to Contraceptive Technology, none of these methods has a failure rate greater than 0.3% per year. [10]
When the first birth control pill was being developed, the researchers were aware that they could use the contraceptive to space menstrual periods up to 90 days apart, but they settled on a 28-day cycle that would mimic a natural menstrual cycle and produce monthly periods. The intention behind this decision was the hope of the inventor, John ...
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When a woman takes COCP, the hormones in the pills prevent both ovulation and shedding of the endometrium (menstruation). Traditionally, COCPs are packaged with 21 active (hormone-containing) pills and 7 placebo pills. During the week of placebo pills, withdrawal bleeding occurs and simulates an average 28-day menstrual cycle.
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Birth control, also known as contraception, anticonception, and fertility control, is the use of methods or devices to prevent pregnancy. [1] [2] Birth control has been used since ancient times, but effective and safe methods of birth control only became available in the 20th century. [3]
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