2杆-Norplant系统由2支含左旋18甲基炔诺酮与多聚体结合的硅胶杆组成。一次埋植可以使用5年。近年来考虑到避孕所使用的孕激素可能诱发心血管疾病,因此就这种长效单纯孕激素系统在东南亚人群中对肝脏、脂肪和碳水化合物代谢的影响进行观察研究。共接纳健康、不吸烟、不饮酒、不哺乳的妇女100名。以2杆-Norplant作为避孕埋 The 2-rod-Norplant system consists of 2 silica gel rods containing levonorgestrel 18 and multimer. Implants can be used for 5 years. In recent years, considering that progestin used in contraception may induce cardiovascular diseases, the effects of this long-acting progestin-only system on liver, fat and carbohydrate metabolism in Southeast Asian populations were observed and studied. A total of 100 women were accepted as healthy, non-smoker, non-alcoholic and non-lactating. Take 2-Norplant as a contraceptive implant