My daughter, (42) is experiencing stabbing stomach pain accompanied with gas & explosive diarrhea. She s a dietician & has kept a food diary for a month to see if any food may be the culprit. According to her, there is no correlation between whT she eats, doesn t eat, time of the month, or stress levels. I m curious to know if it could be endometriosis related. I & paternal grandmother both had hysterectomies becUse of this.