Pain in butt

So I’m alittle over 38 weeks and have been getting sharp pains in my butt not like my butt cheek but ya know my butt hole area (sorry tmi) but could this be a sign labors coming? I had a few consistent contractions last night but then they went away and I woke up this morning extremely nauseous with these sharp pains but I don’t feel sick so I know it’s not like the flu or anything! I know of course no one knows for sure but did anyone have this and it be the start??! Currently 2 cm dilated last time I was checked!