36 & 5 days. Second pregnancy. Been having extremely tight feelings in my stomach (taking my breath away tight) and my lower back is achey along with shooting pains down my thighs. I've had diarrhea/loose stool for the past month about along with tight cramping right before. My face has also been breaking out the past week or two. (which is unusual) I just don't remember any of this with my first. Labor signs ?