im 18 yrs. old
male, and every 40 days or so... i start to slowly cramp all over
stomach, and it get worse and worse untill, i cant sit or lay down, and this happens to me for about 2-3 hrs. and the past couple of occasions i also vomited during this stage.... after the couple of hrs.. the pain than goes down to my intestine area and i have very sharp pains and this continues for 2 days or so... getting better with time, but i dont know why it happens...