Your period was a day late and when it started it was light an spotty then it was dark with no clots usually it starts dark and go light as it ends does this make me pregnant?

Light and dark?  Dark light period?  Light period very dark blood?  You had light period than dark?  How to make dark people lighter?  Is it dark or light on the moon?  Why is day light and night is dark?  Why is your period light and spotty?  How do you to make it dark on diamond?  How is the working light dark detector?  Do crystals form best in light or dark?  Is it dark or light on the other planets?  Is it moisty in the dark or in the light?  Light is to dark as cell wall is to what?  Can vantex make a dark skins person light?  What if your clots look like a dark purple?  Why central fringes is dark in reflected light?  Can cats see better in the dark than the light?  What causes light dark colored menstrual period?  In january is it light or dark in the antarctic?