Birth control pills history
The concept of the pill is generally limited to the group of medicines for women to become pregnant. In 1955, a number of scientists, the concept of contraceptive pill if Progestogens are used for birth control. Before you try things that people such as condoms, diaphragms, sponges and even to avoid sex during the fertile period. It has its drawbacks and its effectiveness is very low compared to previous year. Then, it was found that the addition of estrogen to make them more effective.
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