I am so confused right now and I am desperately seeking advice! I had a very short period last month (roughly 6 weeks ago). I know my body very well and normally my periods last 5-7 days and are heavy. The period I had last month was short 3-4 days, it seemed like a normal period although it wasn't as heavy. Anyway, the last two weeks I have been very tired, had low back pain (achy in nature), increased appetite and sore nipples. However, no sickness whatsoever or nausia. I finally broke down and tested today and the test had a very, very faint line in the positive window. I'm starting to think this is all in my head, especially since I had a period last month. It's just that I know my body very well and to me it is too early to be having the symptoms above as "PMS". Is it possible to have a period and be pregnant? Is it possible to get a false negative on a test even though I would "technically" be 6 weeks pregnant at this point? Anyone's advice would be much appreciated. Thanks!