Was Irregular Periods. My Last Leriod Date Is 3rd Dec

was irregular periods. My last leriod date is 3rd dec 2016 i did pregnancy test on 8th it was positive from 8th to11th i an doing pregnancy test all days all tests are positive it is false positive or really am i pregnant i am getting confuse somebody said if there is harmonal balance there is a chamce of false positive thats why i am confusing can u suggest me please am i pregnant or not