So went for a walk with my best friend yesterday and my hips hurt from standing for to long they…

So went for a walk with my best friend yesterday and my hips hurt from standing for to long they were hurting the day before from just standing at my mom's well we had to make a run to the store before we went to her hair appointment on the way out to the car I had a contraction but the whole time we were walking I was in so much pain like I couldn't keep up with her cause I was hurting so bad could it be possible that my body is trying to go into early labor I'm 36 weeks and 2 days