Ortho-Novum

Ortho-Novum

 [or″tho-no´vum] trademark for preparations of norethindrone with mestranol or with ethinyl estradiol, used as an contraceptive" >oral contraceptive.

Ortho-Novum

(ôr′thō-nō′vəm) A trademark for any of several oral contraceptives that contain norethindrone and either ethinyl estradiol or mestranol.