... test was ER-. Two Oncologist have different recommendations. One says I would benefit from using Aromasin because of 30% ER+ issue. The other says that I am ER- so it would not be beneficial. Blood chemistry shows that I am menopausal, but I have experienced bleeding each month for the past 9 mos. I have been taking Aromasin for 4 mos. Visited GYN to explore bleeding issue (D&C and scope) and pathology was normal. I want to protect myself from future occurrences of breast cancer, but I am not sure of what to do. Aromasin should not be taken if I am having a menstral cycle according to what I have read