Help what’s happening to me ?

I’m 38wk 4d for the past couple of days I’ve had period pains but they are more strong today. I’ve just started having stinging/stabbing pain in my lower back, hips and vagina. The pain in my vagina comes and goes but the back and hips is constant. Sometimes my belly tightens. I’ve tried to change my position but it doesn’t really ease the pain. All day also I have had this urge to go to toilet but nothing comes.

Can someone tell me what’s going on please.