If you've missed your periods & are experiencing pregnancy symptoms, but have a negative pregnancy test result, then you can go for a blood test to check your hormone levels. It will help you to clarify the situation. Your test is showing a faint line, that could be because of the reason that there's only a small amount of hCG in your urine, usually because it's early in the pregnancy. Even the faintest line in the results means the test has found pregnancy hormones in your urine. One of my friend faces the same situation. She consulted a gynae from Cloudnine, Gurgaon. I remember, she was pregnant at that time.