Does Cramps, Lower Back Pain And Sore Itchy Breasts Indicate Menopause

Ok I m 43 I had a tubal ligation when my son was born and due to having my periods for twice a month I had a nova sure produre done and i was having a period every month on time and now i haven t had one this month i went to my doctors office for a visit and they did a pervic ultrasound and then i went to the bathroom and blood was in my urine. And been cramping, lower back aching, sore breast, itchy breast. Do you thinl i m going through menupause.