My last period was (9-8-11). I had sex the 19th and 22nd for sure. Than again on the 23rd,25th, and 26th. I think I ovulated the 21st or 22nd. What's my chance of being pregnant? Please help!

Im only trying to get pregnant now because as the woman in my family get older they can't. =/

I had my misscarriage one year back and now I'm not getting pregnant my follicle was present on my left ovary advice me what to do