One-pill-a-month contraceptive.

Author: 
Greenblatt RB
Source: 
Fertility and Sterility. 1967; 18(2):207-211.
Abstract: 

A long-acting oral estrogen (3-cyclopentyl either of ethinyl estradiol) in doses varying from 2 to 5 mg, and a short acting progestogen were administered orally for 1 day per month to 40 women for 138 trials. The first doses were usually administered between day 21 of the cycle and the onset of menses; day 25 was found to be the most suitable. The progestegen used was one of the following: chlormadinone, dydrogesterone, 6, 17-alpha-dimethyl-6- dehydroprogesterone, or the 18-homologue of norethisterone. Ovulation was inhibited in 78 of the 138 trials and occurred in 32; information was inadequate in 28. No pregnancies occured and side-effects were minimal.

Language: 
Year: 
Document Number: 
670427
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