Is it BFP?

I had my aspiration on 15.7.

Two blastocist transfer (5day old) on 20.7.

Today 26.7 I had my first pregnency test and the line appeared immediately. I know meybe it is still trigger shot but it is so dark, I had trigger shot on 13.7 at 21o'clock that is 13days it should be out of the sistem, or the line should not be so dark.

Could it be it is positive?

Has anyone had there positiv 11days after fertilization?