TTC after a miscarriage last year

Found out we were pregnant one day before leaving for our wedding.  This was last year and we got pregnant so easily (first time having unprotected sex during fertile window and bam!). Sadly I miscarried at 6 wks.  Now just 1 year later (at 39) we've been trying for 4 months and no luck.  I know some of you have been trying for much longer Im just worried that maybe was my last chance. 😭