| 释义 |
〔levonorgestrel〕The levorotatory form of norgestrel, used in oral contraceptives and in contraceptives implanted subdermally. In implant form it can prevent pregnancy for up to five years.诺普兰避孕剂，左旋去黄体酮乙基，乙基炔诺酮：炔诺孕酮的左旋偏光形式，用于口服避孕药和皮下植入避孕。植入避孕方式可避免五年内怀孕〔norgestrel〕A synthetic progestogen, C21H 28O 2, used in combination with estrogen as an oral contraceptive. 诺孕酮，乙基黄体酮：合成孕酮，C21H 28O 2，与雌激素结合用作口服避孕药 |