I'm new to the group, and haven't been diagnosed with anything yet....I'm waiting to get in to see a gastroenterologist....two more weeks to go.I'm actually hoping I have some variant of IBS, rather than something life threatening.In any case, I note my sharp, crampy pain (lower right quadrant) is on a pretty definite schedule -- 4-7 p.m. like clockwork, whether or not I've eaten (including not eating anything.) Occasionally I have a few twinges at other times during the day. None at night, at least so far. Is this a pain pattern that's seen with IBS?