FYI: Why Do I Poop More When I Have My Period?
The answer is prostaglandins. These are the chemical signals girls' and women's bodies make and send to the uterus to tell it to contract, thus expelling the uterine lining at the end of the menstrual cycle. Prostaglandins aren't super picky about whom they talk to, however. If the body sends enough of them to the uterus, some stray prostaglandins will make it over to the bowel, which is located nearby. There, they also tell the bowel to contract, thus expelling… you know. Not all women experience more frequent bowel movements when they have their periods. Some girls feel the effects of prostaglandin on their bowels as nausea. Others actually get diarrhea. Still others are not so bothered at all. Some women's bodies are just overzealous in their prostaglandin production. Incidentally, those who get painful cramps can blame high levels of prostaglandins. Some women's bodies are just overzealous in their prostaglandin production. This makes the uterus...