After just over two months of possibly being pregnant is it necessary to wait until the first expected day of your period to take a home pregnancy test and gain accurate results? I have taken one but it was negative. I should explain that I also started birth control just under two months ago and understand that symptoms (tender breasts, inconsistent flow - sometimes spotting, sometimes bleeding - constantly for a month and a half, tiredness, moodiness, dizziness, etc.) could be a result of this.