Scared1976 - ah I could have posted that message three years ago! I have PCOS and never ever got a positive on an ovulation test - yet I was ovulating, but my hormone levels weren't high enough.
We went through the whole kit and caboodle, exploratory surgery, sperm samples, Clomid, everything, nothing worked. So we gave up. I had one session of acupuncture to try and sort out my painful periods and that very day my daughter was conceived. (This was after I'd been told by a fertility consultant to try IVF because it wasn't going to happen naturally).
Now I'm pregnant with a boy. DD will be 20 months when he's born and I'm still breastfeeding so technically it's not possible for me to have conceived this one either (haven't have a period for years!)
Go see the doctor, read up a bit too (I recommend Dr Zita West's Guide to Getting Pregnant - if nothing else it will explain all about fertility tests so you aren't in the dark and being fobbed off).
But also be aware that the average length of time it takes a couple to conceive is 13 months. You aren't actually that unusual.
Also the problem may not lie with you! Both DH and I were discovered to have issues. Yet things still worked out. Stay hopeful and positive and have an awful lot of sex - it will help enormously on many levels