HELP!!!! Ladies... i have what i think is serious question... i hope its not too much TMI.. but here goes.. ok so my AF is supposed to visit 2mrw and her butt is right on time.. like frickin clock work.. but any whoot.. this morning i felt like she was coming early.. so i popped in a "tam" but when i went to the restroom later.. it was super dark almost black blood on the "tam".. this is a first...whats ur thoughts?