Trinity, TX
A 42-year-old female asked:
I'm anemic, have heavy periods, mom had breast cancer. gyno gave me norethindrone & said it didn't have estrogen so wouldnt cause cancer. is that true?
2 doctor answers • 3 doctors weighed in
Dr. Haluk Tezcananswered
Medical Oncology 35 years experience
Not correct: First, progesterones, which Norethindrone is one, is associated with increase risk in breast cancer (i would not state causing it). Risk is more so in women using during postmenopause and for prolonged periods. Actually, estrogen use by itself remains controversial as a risk factor for breast cancer. If your anemia is due to very heavy periods, a limited course of hormonal manipulation can help.
4.3k viewsAnswered >2 years ago
Dr. Devon Websteranswered
Medical Oncology 22 years experience
Don't worry: There's very little data that norethindrone causes breast cancer when used to slow down heavy periods. I would have some concern if you had a history of breast cancer, but since you don't, I'm not worried.
3.8k viewsReviewed >2 years ago
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Last updated Apr 3, 2018
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