I took my second pregnancy test on day 3. I dont know if it a difference if I took it at 1:43am. I dont know if I should had waited a little later in morning to take it. But I'm upset because I'm tired of trying. I just dont understand why I'm late for my period but not pregnant. I always had a regular period that always came on time. I'm so upset n from this point I'm done trying n checking n worry about if my period is going to come or not. Good luck to others that trying as well.