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  • Title: The state of the contraceptive art.
    Author: Tyrer LB, Duarte J.
    Journal: Plan Parent Rev; 1983; 3(2):5-7. PubMed ID: 12265618.
    Abstract:
    The high failure rates of available contraceptive methods attest to the fact that the present technology is inadequate to meet the needs of many women, and new, safer, and highly effective contraceptive methods must be developed for both the female and the male. Previously, industry was largely responsible for the research and development of many of the currently available contraceptives, but at this time it is less than enthusiastic about carrying out further research because of the time and cost associated with the approval of new drugs. Additionally, because of the medico legal climate that exists today, particularly concerning present contraceptive drugs and devices, pharmaceutical companies are concentrating on developing drugs for the treatent of disease conditions, a less risky area. The US federal government, which currently is the single largest funder in the world of contraceptive and related research, is directing little attention to this particular area. The most obvious obstacles to enhanced federal support is the debate over the federal budget priorities. Other deterring factors include the controversy over abortion which has discouraged efforts to call attention to contraceptive research because of concern that it might result in funding cuts instead of increases. Another factor is the traditional allocation of 40% of National Institute of Health funds to population research and 60% to maternal and child health. An overview of currently available contraceptive methods covers oral contraception (OC), long lasting injectable contraception, IUDs, the condom, vaginal contraceptive sponge, the diagphragm, and fertility awareness techniques. Determining the actual benefits versus the risks of OC has proved difficult. OC has changed considerably since it came into use. The most serious side effects attributed to the OCs involve the cardiovascular system, specifically thromboembolism, stroke, and heart attack. The risk of developing these diseases has declined as the dosage of hormones in the pill has been decreased. Yet, other specific factors can increase the degree of risk. Overall, the OC is still one of the safest and most effective methods of preventing unwanted pregnancy. The Food and Drug Administration (FDA) has denied its approval of Depo-Provera, 1 of several long acting progestins, because of its association with breast tumors in the beagle dog and because of bleeding problems and delays in the return of fertility in human females. All IUDs have potential adverse side effects. The major ones continue to be cramping, bleeding, and infection. The IUD requires only a single act of motivation on the part of the patient, a definite advantage. Condoms of all types continue to be one of the most widely used forms of contraception at this time. The major disadvantage of vaginal chemical contraceptives is that they are coitally related and not aesthetically pleasing. The FDA recently approved for consumer use a polyurethane foam sponge containing a spermicide that is released gradually over a 24-hour period. The diaphragm is effective and has no serious side effects. The failure rate of the various fertility awareness methods is higher than other methods.
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