l bleeding(Little) after the periods on 9th day?

I went for follicular imaging on 9th day.,follicles are good.and it is 15mm in size.meanwhile little l bleeding is occuring on 9th and 10thday.On my first day of period,the bleeding was little,only for 1 hour and bleeding got stopped.i am on clomid from 2nd to 6th day.Now follicles are good in size.I have PCOD .Can I know the reason for bleeding in midcycle and is there any poosibilities for pregnancy.