I'm 5 days late for my period and I'm always on time within a day. I took a test when I was 2 days late and it was negative and another this morning, that was also negative. I just noticed some spotting tonight, is it still possible I might be pregnant? I have an appointment to see the doctor in two days which will be one week late. Is this common for people who aren't pregnant or do I still have a bigger chance of being pregnant???