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Hi.. A few days ago I started to experience tenderness on my br___ts,headaches and fatigue. I did the accu-clear home pregnancy test, and it was positive (one light pink, one dark pink. I was in shock so I did the test again. It was positive, same situation. Next day, i was still in shock, so I purchased a clear blue early pregnancy test. It read positive but I was not sure. The + sign seemed extremely light, then it disappeared. Leaving a negative line. How accurate are clear blue and accu clear? And am I pregnant?