I posted this is "Back Pain Forum" also, but I talk to you girls more and even though it has nothing to do with pregnancy, I thought maybe you could help:
It feels like I just have a knot right up underneath my left shoulder blade, no biggy, happens all the time. But then, yesterday, my left arm starting aching. It hurts when I breathe, yawn, cough...everything...even in my chest, from my back. Any idea what this could be? It is so bad, I break down in tears!!