lower back pain/mid cycle bleeding

Nine days ago I woke up with pain on my lower right back. I figured it was because our mattress needed to be replaced and put up with it and the accompanying sleeplessness. But two days ago, I noticed mid-cycle bleeding. (I'm 51 and perimenopausal). The back pain is getting worse, and now I'm getting pain going down my upper right thigh. I'm not overweight, I WAS exercising on elliptical trainer 5-6 mornings a week. I called my gyn 6/9, and the soonest they could get me in for outpatient hysteroscopy is June 23 (12 days from now). (I have never had success w/in-office attempts; they can't get into my cervix; excruciating.) Here's my question: should I insist on being seen sooner? Should I insist on blood work? Needless to say, I am very scared. And I still can't sleep. I have stopped taking Ibuprofen, because they said the anesthesiologists require that you NOT take it within a week of procedure (danger of bleeding). I'm afraid if I do need to have the procedure sooner, they will not do so because of my recent Ibuprofen intake.