My cycles for the past year have been dead on 28 days I'm now 1 week late around the time I was due on I had cramping and lower back pain for 3/4 days my breasts are achy especially round the sides headaches coming on now feel queasy I took this test 3 days ago and I'm sure it's a faint positive can you tell me what you think please? I also just feel pregnant I feel completely different