If you get an af, then you have ovulated. If your not getting your af, then most likely, ovulation has not occured. Once your body does ovulate, af usually comes within 14 days after.
I really wouldn't worry too much just yet. It does take some time for some people (and you are probably one of them!) to regulate. Like I said, after 6 months, my af's were atill not regular, but doctor wasn't going to refer me to anyone until month 7 or 8 at least.
I would start to take your temperature each morning with a basal temp and track your cm. This way you can start to setermine if you are ovulating on your own. I think this may help you, it did for me!!!!!
Good luck!