I dont know what kind of worm i have?!?

okay so sence the end-middle of summer, My sister had 2 dead looking, long [5-8inches] worms in her poop...Then just tonight she had a like 8 inch, dead looking, pinkish whiteish lookingn worm.. Shes had a couple stomach aches later [the past few day]..She told my ma, and she said theyll go to the docs. tomorrow or on thursady, i dont think they are pinworm..becasue they werent 1/2inch. and i did some reshaech on worms for her, and they arnt tape worms because they arnt lke 30-50METERS...so..Oh, and it isnt ringworm bc she has no rings anywhere on her body...Do you guys have any idea what kind it could be..oh yeah and should she be cleaning her privat areas tonight, and tomorrow, or wait fo rthe doctor...?!!!?? HELP PLEASE--shes kinda like scared for her life right now! lol shes addorable, even tho shes old..OHYEA!! --shes also in her early teens,.. Im trying to give as much info i can for you guys..THNAKZ!