BH or just baby moving?

A
EDIT: I've been getting a few sharp pains in my lady parts area and in my right side. It hurts for just a second. I've had a couple pains in my lady parts the last week. Maybe her kicking? 
-It's gotten a bit hard to tell the difference between BH and the baby moving. Now that she's big, she likes to push out far and it hurts. I'm a tiny little person.
But since I've started dinner, my stomach has been really right. If I move around, it just feels tighter around my lower abdomen and side of my belly. My stomach isn't tight like with my first. It's really squishy normally. The very tip top (between my rib cage) doesn't feel all that tight. I'm currently sitting and my stomach has loosened.
What do you guys think?
Also, most of the time when she stretches I can lightly push and she'll change position. Not this time.  Next appointment is Tuesday and I'm definately going to mention it. 

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