Pregnant or fibroids

Patient: I was on depo injection for nearly 2 years which I came off last august due to cysts on my womb. I had a camera op at hospital and was told my cysts had gone I have been experiencing pressure in my uterus lower back pain and fatigue i had a period last month that lasted 2 days and since then have took 4 pregnancy tests which were all negative I have also just recently been to my doc and they refused a pregnancy test on me please help as never been pregnant before and when I had my cysts last year i was in more pain and discomfort then this