I vomited when in labour with maddy but it was because my wtaers had broken days earlier I hadnt slept in more than 2 days & was literally exhausted & had been gasping air so apparently I had dried & cracked a vein in my throat which caused me to vomit a bit of blood!
I tore with Maddy too, but I had no idea til they siad I would require a few stitches, I didnt vomit with Indah & I had scoffed into Pizza at 6:30 pm & she was born 6 hours later, I had an epi with her as she stopped breathing & had swallowed some meconium & needed to be born, again I didnt feel it & was just glad my babies were both born & safe!

Good Luck, I think it was a mass generalisation!