norethisteronen.
/nɔːrɛˈθɪstərəʊn/, U.S. /ˌnɔrəˈθɪstəˌroʊn/ Pharmacology.
A synthetic steroid hormone, C20H26O2, which has actions similar to those of progesterone and is used chiefly for contraception.Called norethindrone in the U.S.
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the world > health and disease > healing > medicines or physic > medical preparations of specific origin > hormones and substances with same effect > [noun]
epinephrine1899
pituitrin1909
oxytocin1927
Pitocin1929
Pitressin1929
progestin1930
progesterone1935
methyltestosterone1936
pregnenolone1936
hexœstrol1939
stilboestrol1939
hydroxyprogesterone1941
progestogen1941
Premarin1942
hydroxycorticosterone1943
gestagen1948
hydrocortisone1951
cortisol1953
fluorohydrocortisone1954
isophane1954
prednisolone1955
prednisone1955
norethisterone1956
norethynodrel1957
dexamethasone1958
fludrocortisone1958
norethindrone1960
antidiuretic hormone1961
medroxyprogesterone1962
Pergonal1963
mesterolone1965
norgestrel1966
quinestrol1966
pancuronium1967
pentagastrin1967
levonorgestrel1977
the world > health and disease > healing > medicines or physic > medicines for specific purpose > preparations for treating specific parts > [noun] > for the womb > specific drugs
norethisterone1956
norethynodrel1957
mestranol1962
1956 Proc. Soc. Exper. Biol. & Med. 91 419/2 10 mg nor-ethisterone given twice daily represents a reproducibly effective dose in women for the production of marked progestational changes.
1973 Nature 10 Aug. 351/1 It would seem that the concentration of norethisterone acetate in the pill should be kept to a minimum.
1995 Guardian 20 Oct. i. 2/3 Those [pills] containing other types of progestogen—levonorgestrel, norethisterone, norgestimate or ethynidiol—have not been found to pose an increased risk.
This entry has been updated (OED Third Edition, December 2003; most recently modified version published online March 2022).
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n.1956