Oral Contraceptive Use and Diseases of the Circulatory System in Taiwan: An Analysis of Mortality Statistics

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Abstract
Whether or not increased prevalence of oral contraceptive use in developing countries is associated with increased morbidity and mortality from circulatory system diseases is a serious concern for health and family planning administrators. An analysis of Taiwan's mortality statistics to determine whether such an association existed was undertaken, taking advantage of the excellent vital statistics and medical care systems existing there. The analysis failed to demonstrate that death rates from circulatory system diseases among Taiwanese women of childbearing age have increased since the promotion of oral contraceptive use began in 1967. In fact, mortality from all forms of circulatory system diseases has generally declined since 1967, and the slopes of declines for females of childbearing age who were exposed to oral contraceptives were somewhat greater than those of males of the corresponding age groups.