英语词汇“levonorgestrel”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	levonorgestrel
释义	levonorgestrel, n. Pharm.\|ˌliːvəʊnɔːˈdʒɛstrəl\| [f. levo- + norgestrel n.] The laevorotatory isomer of norgestrel, with similar uses. 1977Approved Names 1973 (Brit. Pharmacopœia Comm.) Suppl. vii, Levonorgestrel, (-)-13β-ethyl-17β-hydroxy-18,19-dinor-17α-pregn-4-en -20- yn-3-one. Progestational steroid.1980Brit. Med. Jrnl. 29 Mar. 940/3 The combination of levonorgestrel (d-norgestrel) with 30µg of ethinyloestradiol or 1mg norethisterone acetate with 50µg of ethinyloestradiol would appear to be appropriate choices.1990New Scientist 29 Sept. 21/1 The ring..releases low doses of a progestogen called levonorgestrel, the same hormone as that contained in the ‘mini Pill’.
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