Ortho-Novum
trademark
Or·tho-No·vum
ˌȯr-thō-ˈnō-vəm 
—used for a preparation of norethindrone and either ethinyl estradiol or mestranol
Cite this Entry
“Ortho-Novum.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/Ortho-Novum. Accessed 31 Oct. 2025.
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