OPK Help!

Aoc264 • I`m 36 DH 44 this is my #6 time TTC, DH and I been trying since 10/1/2013 after a MC. I have three wonderful children.
Ok BD on 10/5 at 12 am. I only got to BD once this cycle. Could I still have hope that one may work? :( my last I day was last night for glow!