Inner thigh/groin pain

So, I'm 36 weeks- yay! And I can definitely feel my body going through so many changes in preparation for birth.

However, for about two weeks,I've had this excruciating pain. It's where my thigh and my groin meet, but it's only on the left side. It happens several times a day, mainly when I'm walking, standing, or going up stairs. It's usually ok if I'm laying or sitting.

What could be causing this? I have my doc appointment tomorrow and I plan on asking them, too.

Just curious if it's normal or a weird symptom!