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Background. Oral contraceptives (OC) contain an orally active estrogen in combination with an orally active synthetic progestin… Expand Recent studies (e.g. Blackmore, P. F., Beebe, S. J., Danforth, D. R., and Alexander, N.) (1990) J. Biol. Chem. 265, 1376-1380… Expand A number of reports have described the occurrence of liver cell adenomas in women using oral contraceptives. Circum stantial… Expand Reports of thromboembolism following the use of oral contraceptives received by drug safety committees in the United Kingdom… Expand 0.09 or 0.63 μg of 6,7-3H-estradiol- 17β or 10 μg of 6,7-3H-norethynodrel was injected in immature rats and the distribution of… Expand
In an investigation of the excretion of oral contraceptives in the milk of lactating women, tritiated norethynodrel (the… Expand 3 healthy women aged 35 22 and 28 years developed intravascular thrombosis while receiving oral contraceptive therapy (Case 1… Expand ORALLY active derivatives of progesterone and 19-norsteroids are of use in prevention of conception and in the treatment of… Expand Abstract A combination of 9.85 mg. of norethynodrel with 0.15 mg. of ethynylestradiol-3-methyl ether or of 5.0 mg. of… Expand Abstract Clinical experience with 19-norethynodrel in 50 highly fertile patients over a 14 months' period at Fitzsimons Army… Expand