hi, have you been told by your doctor that you are infertle, or do you just believe so becuase of your trouble concieving? If your not sure, ask your doctor to do a basic fertility test. You can also buy ovulation monitors at drug stores that can help tell you when you have the best potential to concieve. Fertility drugs and therapy are widely available, although can sometimes be quite expensive, depending on the route you choose to use and your insurance policy.
But, your doctor will have the best advice, depending on where things are going wrong. Also, there is a plethora of information available on the net about all the different methods of fertilty therapy, tips to help concieve, and so on. I haven’t been in this situation myself, given that mine was unexpected. Best of luck to you!