本实验为新型皮下埋植避孕剂的长期观察的一部分(研究Norplant~R对东南亚妇女代谢功能的影响)。研究对象选择100例健康,不吸烟,不饮酒,不哺乳,自愿选择Norplant~R作为避孕方法的新加坡妇女。在埋植Norplant~R前(作自身对照)及埋植后第6、12、24、36、48、60个月时抽血样,自 This experiment is part of a long-term observation of a novel subcutaneously implanted contraceptive (study of the effects of Norplant® on metabolic function in women in Southeast Asia). Participants selected 100 Singaporean women who were healthy, non-smoker, non-alcoholic, non-lactating and who voluntarily chose Norplant® as a method of contraception. Blood samples were taken before Norplant ~ R implantation (as self-control) and 6, 12, 24, 36, 48, 60 months after implantation