So i just had unprotected sex with my husband n i sont think i was fertile but my calendar says i am but dosent it mean if i have a lot of discharge means im fertile or is that ovulation? Well im confused and worried now..

So i just had unprotected sex with my husband n i sont think i was fertile but my calendar says i am but dosent it mean if i have a lot of discharge means im fertile or is that ovulation? Well im confused and worried now..does it mean im trutly fertile i thought i w as last week.