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Use of Norplant implants approved.

Source: 
Outlook. 1985 Mar; 3(1):7-8.
Abstract: 

The World Health Organization (WHO) consultation convened in October 1984 the Special Programme of Reasarch in Human Rreproduction concluded that Norplant provides effective and reversible longterm contraception and should be available in family planning programs for women desiring longterm contraception. The Norplant implant systgem consists of 6 silastic capsules each containing 36 mg of levonorgestrel which is slowly released into the bloodstream. The implants can be left in place for up to 5 years or removed at any time. The consultation report considered the research data adequate to conclude that the method is safe for human use. Acceptability apperas to be high: 1st year continuation rates of 80-90% are roughly equivalent to those of the IUD, and continuation at the end of 5 years is about 50%. Bleeding irregularities are a common side effect, but heavy and prolonged menstrual bleeding is infrequent. The constant slow release of levonorgestrel minimizes the common side effects of contraceptive steroids, and the system exposes the body to less than 100 mg of levonorgestrel over 5 years. Since the method is new and not in widespread use, there have been few studies on longterm use or rare side effects, prompting the WHO consulatation to recommend "appropriate surveillance activities to evaluate its long-term safety." Additional research was also recommended on the effect of the implants on lactation and on the growth and development of children exposed to levonorgestrel in breastmilk. The consultation report pointed out the need for clinic facilities for insertion and removal and for adequate training of providers before introduction of the method into a program. An international pharmaceutical company based in Finland has been licensed by the Population Council, the developer of Norplant, to manufacture and distribute the implants. The Swedish National Board of Health and Welfare has also approved the Norplant system for contraceptive use in Sweden.

Language: 
Year: 
Document Number: 
029360
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