a)development of breast cancer while taking HRT associated with worse prognosis. Isn't this true because larger tumours are associated and diagnosed at a later stage. b)short term use of conjugated equine estrogen is associated with increased risk of CAD-is this true or false because discussion says that highest risk is in the first year of use.c)Is there decreased risk of hip fracture in short term use? Isn't it associated with long term use?