norethynodrel :

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  • 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.

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