"Sounds like 2 different things. If a woman has what is called a fistula or olpening between her vaginal wall and her rectal wall she can poop from her vagina. This is caused by many things including childbirth. It can be fixed with surgery. Sometimes people have to have their anus or rectum removed and then they have what is called a colostomy which is when the end of the colon is brought to the surface of the skin in the belly and the ppoop goes in a bag. "