There are two types of hormones used for birth control in contraceptive pills – oestrogen and progestin. The combined oral contraceptive pill (COCP) is the one in which both these hormones are present while the other type of pill contains only a single hormone progestin. Their basic functions are preventing ovulation, i.e. the release of eggs, and making the lining of the uterus thinner. The women need to take their pills correctly to have better chance of success in preventing pregnancy.
Research has proven that the failure rate of COCP when used correctly is one in a thousand, although 5 percent first time users get pregnant accidentally, mostly because they do not take the pills correctly. This is the reason users are advised to use a backup contraceptive for the first 7 days of their routine of taking pills.
There are certain benefits of combined pills apart from the already mentioned effectiveness in preventing pregnancy. These include:
The users need to be careful in taking these pills and precautions such as taking the pills on the same time every day are essential to be followed for ensuring success. The disadvantages of taking the pills which result mostly from lack of understating of its correct use are:
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