i saw clot kind of thing today is it early miscarriage ?



We are ttc since 3 months 

Last month - I had positive BV(Bacteria Vagionisis) and doctor gave me 7 days antiboitics and we tried this month (i ovulated on day 16 according to clear blue static smiley) and today i m 10 DPO and i saw clot kind of this thing today what is it ? im worried is it miscarraige or implantaion bleeding ? Nerve cracking