Please help-I saw blood not connected to my stool!

Hi, I feel that my stomack became so big -and it's really frightenning me Also I saw blood when I made my keva, but I didnt see a blood in my keva Mabe its from a scratch? and also I had a kind of blood from my vagina AND it's a week after my period already

את צריכה לגשת לרופא להבדק בהקדם. ד"ר גל