Cherie- I have never encountered exactly what you are talking about. From your description it sounds like there might be a very small ancillary nipple that is leaking during exercise. It there are vigorous arm movements during exercise it might actually beat up the milk. What kind of exercise is it? Is there any wetness in that area during regular nursings? Has anyone *looked* for auxiliary breast tissue and extra nipple openings in this mother? Hope this helps. Other ideas anyone? Sarah Sarah Friend Barnett LLLL, IBCLC Bronx (New York City), NY - [log in to unmask] " You are not obliged to finish the task, neither are you free to neglect it." R. Tarfon