Ive gotten what looks like 3 faint positives and 2 negatives are the 2 negatives because of my medication im on ?!?

I have had numerous people tell me im pregnant after looking at my tests and i took tests in between those and two of the five came up negative is it because im on bc and other medication that could be altering the result making it negative ?? Could my medication hurt the baby? Im on abilify.. mirtazapine.. depakote.. Klonopin.. Birth control.. And one other i cant remember ..

If i was pregnant i would be a week and a half in please let me know!