A nurse is providing teaching to a client who is experiencing hot flashes and a new prescription for hormone therapy with conjugated equine estrogen. which of the following should the nurse include in the teaching? (Select all that apply): A. estrogen decreases the risk for osteoporosis, B. Estrogen therapy is a lifelong treatment, C. Estrogen use prevents coronary Artery disease in postmenopausal women, D. Estrogen use and smoking increase the risk for thrombophlebitis, E. Estrogen therapy can cause break- through vaginal bleeding