I've been feeling a little weird lately so decided to do a pregnancy test, I bought a poundland one it showed as positive so did a second one which showed as positive.. Same with the third but by the time I got to the third the first one had changed to negative and the line had dissappeared the line was not faint it was very much there straight away.
I did a clear blue and it showed negative straight away. I've read that you can't get false positives so I'm confused.
Am I pregnant or not? I am on birth control but I had antibiotics that could have effected it. I've attached images of the test as positive.