Ttc suggestions

So hubs and I have been ttc for about roughly 2.5yrs and next month I’m going to the drs to check fertility and all that bc I recently got health insurance through my job and anyways I need suggestions or tips,I’m practically willing to try anything to get my bfp this month, we’re having sex every other day , using opks, stopped smoking cigs,We’ve been eating healthier,taking prenatals, isanything you guys swear by?