Yes I took one today which is day 4 of periods but bleeding stopped after 2 days and its negative so guess may be that one was false positive
I had 4 of these in a row before having my beautiful boy, I believed I miscarriaged earlier each time. I tested positive (tested a few times and within a day or 2 I bleed and my pregnant tests were negative
Sounds like a chemical they a known to get positive then period then negative
Possible chemical pregnancy or implantation have you taken anymore tests?