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  • Title: Confidence in contraception.
    Author: Applezweig N, Belsky R.
    Journal: Environ Qual Annu Rep Counc Environ Qual; 1973 Jul; 4(7):47-9. PubMed ID: 12229459.
    Abstract:
    The extended use effectiveness of precoital contraceptives (pills, injections, mechanical devices, and sterilization) and postcoital methods (pills, abortion, and menstrual aspiration) are evaluated in terms of the effectiveness of the method in preventing pregnancy and the qualities which encourage continuation over an extended period. 2 new forms of the IUD, the copper IUD which improves antifertility effects and reduces expulsion, and the progesterone IUD which acts topically feeding the uterus with progesterone, are under study. A postcoital pill of antihormones to deplete the body's store of the sex hormones necessary to maintain pregnancy is seen as a future development. Biochemical methods inhibiting sperm function, egg production, or implantation will not be realized for 8-10 years. Prostaglandins produce unbearable side effects and have not turned out to be safe, self-administrable abortifacients. Reversible sterilization would make this form of contraception more palatable. Several methods are under study but whether potency could be restored is a major question. Motivation is stressed as the key to successful contraception.
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