Ya know, I vomited like that at the end of my pregnancies (after a meal) I think more due to my stomach being squished. The diarrhea is more of a
sign of
labor coming on. I went up to the bathroom over and over again right before true labor began.
For me, it was a switch. the baby was way down low and it hurt to walk. I had incredible discharge. Diarrhea. A general feeling of my body starting to prepare. Contractions become less of a crampy feeling and more of a serious squeeze.