ive been worried for a while now i dont know how to describe it but her goes inside my vagina everything feels to have dropped and feels really tight i have been having really bad stomach pain and have had a bleed inbetween periods i just went to the toilet and lost a blood clot about the size of 20p coin ime worried i have an appointment with my doctor in a week but want some idea if what it could be please any answers would be greatfull