Sharp pains?

Ok so I’m 35 weeks exactly and over the past week or so I have been hurting and feeling more pain down there like when I try to stand I can’t stand straight or it hurts and sends a sharp pain through my pelvis another pain I’m having is it feels like I’m being scratched from the inside out and it send me into as close as I can come to a ball this is my second pregnancy and it’s completely different from my first with my first I had no pain or complications what’s so ever with this one pain is all iv had. Has anyone ever had these pains, if so what is it?