Just want advice

Genette

I have been with my current by going on 2 yrs feb 4 we had a miscarriage 3 months into the relationship and now cnt seem to get PG I have a 12 yr old son from previous relationship that I was in for 18 yrs I just turned 39 in Nov and current by will be 39 in Feb. We wasn't trying when had misscarriage but have been ever since are we to old to concieve