Talk of ovulation

There seems to be a new topic among my friends - ovulation... One friend just told me that his wife is convinced that she only ovulates three times a year and that that's why it took so long for them to conceive. Another friend just had a laparoscopy - it turns out that everything is fine, she just doesn't ovulate. I'm supposed to be be ovulating now. Do I ovulate? Do I ovulate enough?? So many unknown factors in this business. I'm not good with unknowns...