I had no idea this even happened in utero (and sorry I'm not an expert on this). Hopefully Mrs. A gave you the reassurance you need - this is the only thing I found that seemed somewhat helpful.http://www.babycenter.com/404_is-it-normal-for-my-baby-to-be-hiccupping-in-the-womb_2647.bc
It must provide some comfort on some weird level to feel these things?!
I have been following your GD results and the diet restrictions must stink
but it seems like you are doing well for right now. Hang in there and sorry for what you have had to go through.