Having tried for a baby for 2 years without success is definitely a matter of concern. Check if any alteration in lifestyle like quitting smoking/ drinking or change in diet/exercise plan helps you.
Next Steps
Since Infertility is a couple's issue, it would be a good idea for both of you to undergo evaluation. A pelvic ultrasound and hormonal check for you and semen analysis for your spouse should suffice to begin with.
Health Tips
See a fertility specialist and if needed get into basic treatment for infertility.