norethisterone (nor-eth-ist-er-ohn) n. a synthetic female sex hormone (see progestogen) administered by mouth to treat menstrual disorders, including endometriosis. Its main use, however, is in oral contraceptives and hormone replacement therapy. Trade names: Micronor, Primolut N, etc.
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Noren, Heinrich (real name, Heinrich Suso Johannes Gottlieb; in 1916 he added his wife’s name, Noren, to his own)