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Letrozole and checking estrogen levels
Breast Cancer | Last Active: Feb 10 11:03am | Replies (70)Comment receiving replies
I m in month 6 with Anastrozole and just had a blood draw and requested that estradiol be included. Result was available within 24 hours and was <15, I guess exact number (measurement) is elusive? Menopause is < 30 . So I’m assuming the aromatase is doing it’s job but will discuss with oncologist. 🌸
Replies to "I m in month 6 with Anastrozole and just had a blood draw and requested that..."
Just wondering about your blood draw. If you did not have the blood test prior to starting AI. How do you know that it's working? I haven't even begun AI and my estrogen tested <18. I've been menopausal for about 10 years. So it's way below <30 menopause parameter.
My point is you could have started with <15 or it could have dropped. It's a guess but I would presume it's working. If it drops further to <12 or <10, then you will know for sure. The annoying thing is the docs never clarify, what level they want it to get to to, considering all the consequences of extremely low estrogen. The imbalance between estrogen and progesterone over time appaently also causes a lot of mood changes, and is hard on the family members as well.
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@anjalima I had to Insist to do the estradiol blood test. Mine was <10. I asked my oncologist does it ever go to zero? He couldn’t tell me. 🤷♀️🙏🏼