D..
I'm sorry you're going through this, L.. I did too. Mine had to be removed laproscopically. It ended up being 7cms large, and the doctor told me that usually when a cyst is that big, he ends up having to remove the ovary. I was lucky that he was able to stop the bleeding and save my ovary.
About a year after my surgery, I got another cyst on the other ovary, and it burst. WOW! That pain was really something else! Then I had another a few months later. The thing is, as painful as bursting cysts are, they are better than having the ones that don't burst because they don't make you have to have surgery.
What I did after two burst cysts was go on birth control pills that the doctor said would help with this. Mircette is what I took.
The part about bursting cysts and BC pills is kind of an aside to your problem. What I do want to say is that you need an ultrasound at the very least. And from the sounds of your pain, I don't think that you're going to get better without having it removed, I'm sorry to say.
Best of luck to you here,
Dawn