norethynodrel
- n a progesterone derivative used in oral contraceptives and in the control of menstruation and the treatment of abnormal uterine bleeding
- Then Pincus and colleagues found that norethynodrel worked better and in far smaller doses.
- Searle got norethynodrel on the market as Enovid (pronounced enovid) in 1957 as a prescription item for threatened abortion and menstrual disorders.
- ENOVID (Searle's name for norethynodrel) has shown impressive results as a contraceptive in Puerto Rican tests, reported Massachusetts' Physiologist Gregory.