Re-reading Lawrence, it could be the oxytocin acting on smooth muscle, now couldn't it. It contracts the myoepithelial cells, the uterus, and the gut too???? The uterus involutes, and the gut stops responding after few days. Aren't these cases mostly the early days/weeks re diarrhea and bf??? Laurie Wheeler, RN, MN, IBCLC Violet Louisiana, SE USA mailto:[log in to unmask] ______________________________________________________ Get Your Private, Free Email at http://www.hotmail.com