Talk to Gynecologist on Fertility

First of all you should be knowing that its a physiological process and not to be taken as a disease, until proven otherwise. To start with, there are multiple things you should consider. One, your sperm analysis. That would be the base to start with. If that is normal, second is your partner's basic investigations that will include FSH/LH tests plus an ultrasound if needed. A gynaecologist can help in guiding you intercourse dates and other related matters. You should be going step by step and its always best to have a experts's suggestion, once you plan to conceive a baby and wasn't able to even with multiple attempts.