Could I have IC? Or am I nuts.?

I grew up with constant bladder infections and would be brave and take my pills and go to the dr and do tests everytime. But as I got older I got sick of it, and having to go back in and be examined everytime. I read about IC with bladder pain and have thought maybe its something I might have. The last infection I had, I left untreated and I had it for maybe 3 weeks. You may say that was wrong, I basically cried all day on the bathroom floor chugging cranberry and azo. Now, everytime I am about to have my special lady time, I go pee and right after its like someone is punching down on my bladder and it's a horrible feeling exactly like a bladder infection. It goes away with an azo and some rest but then it will be back the next day probably. I also get a little more swollen in the stomach even when I am not pmsing which makes me think it could also be linked to IC. I'm not sure if this is related but years ago I went to penn state because I was having cysts on my ovaries and not just regular one or two but MANY. And theyd pop so my mother, at the time I was 13, took me there after being told they couldn't diagnose me with PCOS. I know it may have nothing to do with it but I worry that it may. The funny thing is, the IC diet says cranberries irritate the problem which makes all my lifes beliefs of chugging watered cranberry crap. Anyway I prefer if only someone with the problem or has deep knowledge answers.