Advice?

I'm not sure if I missed ovulation. I was prescribed Clomid 5-9 50mg for the first time. I have a mild case of pcos since I don't get a period for months at a time. We had sex CD 7, 8, 11, & 13. I wanted to have sex cd 16, and he was too tired. Do I still have a chance of becoming pregnant. Please help!