I am 50 yrs. old. I am bleeding for last more than 1 month. My medical reports are normal. For last 1 yr. Time gap of periods are irregular and bleeding quantity is also irregular. sometimes less sometimes much.Once I faced the same situation doctor prescribed me pause mf. It worked but this time it is not effefctive.What should I do?Birth control pills do not suit me.Please suggest me some medicine. I don't have pain or any other problem except weakness. Please help.