3 天之前 · Hello again, Well, how many scans are considered 'regular' for you and your doctor? In the long run, oestrogen will cause hyperplasia (which is easily seen on scans) but can also cause metaplasia and neoplasia (cancer) which is not seen on scans, so you have to choose another way to cope with progestins because, either way, you will have to resort to them if scans show …