Anyone struggle ttc #2

Bryttany
With my first I was pregnant within the first month trying. We didn't do anything it just happened. This time around we did the same didn't work so we tried preseed and 2 days before AF I got a negative. It's been 4 months and still no BFP yet. I know it can take up to 1 year but besides opk which we tried what else can we do? My cycle is 23 days and regular if that makes a difference. I'll be seeing a doctor when hubby comes back from training (army wife lol) just wanted other opinions before then thanks!