My period is like clock work and I note my due date monthly in my calendar. My period was due on Thursday 10th September and today is Saturday 12th September and I still haven't got it (quite unusual for me). So I took a pregnancy test but it came back negative. Has this ever happened to anyone else? I did read quite a few articles online saying that perhaps I took the test too early or didn't do it properly. I'm interested to know if this has happened to anyone else and if they re-tested, when? Did it turn out that you were in fact pregnant? Have been feeling a little off lately but also have a busy job and 2 other kids to care for so pretty tired most days!