Hi, the first day of my last Period was 17th January 2013, my. Cycle is usually regular being 28 days, I have done pregnancy test and it was negative, I had a sudden tummy pain about 2hours ago and when I went to the toilet I had started bleeding , the tummy pain has go so bad I m having to lay doubled up I also have a painful ache in the top of both my legs I have taken some painkillers an hour ago but they haven t touched the pain. The pain in my tummy is very low, pelvis area, and it s all over (left right and centre) it s constant and very painful I also have slight low down back pain , (dull ache), the leg pain feels like shooting down my legs but it s constant like my tummy pain,