Clomid: No period no positive

Ash
I have not had a period since Aug 17, but keep getting negatives ! They told me to go ahead and take clomid at 100 mg. three weeks later I am having all early pregnancy signs and have no idea when I ovulated. I charted ovulation symptoms two days after my last pill, and I swear it lasted for two weeks! My hormones are crazy. Anyone experience this on clomid with no period ?