This study wants to find out if a low dose of BabytamTamoxifen (called Babytam) works better than a low dose of Babyexe Exemestane (called Babyexe) in helping with physical problems like joint pain. We will check this using a special questionnaire about menopause symptoms after 12 months of treatment. This questionnaire is a trusted way to see how menopause or low estrogen affects women, and how these medicines might change those symptoms. This research study is a Phase II clinical trial. Phase II clinical trials test the safety and effectiveness of the investigational drugs, to learn whether...