Hormonal Contraception

Abstract
The discovery that progesterone blocked ovulation and the development of the combined oral contraceptive pill in the 1950s were landmarks in the control of human fertility1,2. By providing women with a reliable method of regulating their fertility, the combined oral contraceptive has played an essential part in allowing them to participate fully in society. In spite of initial alarm that it would lead to sexual promiscuity and moral degeneration, the use of hormonal steroids rapidly became widespread and is the most popular method of contraception in most Western countries3.Methods of Hormonal ContraceptionHormonal contraceptive steroids are . . .