Pressure down low. Help me.

Meghan • I`ve been with my husband 14+ years and 6 of them married. High school sweethearts, college lovers, and forever happy. Olivia Mae 03/31/2018❤️🤰🏼💋

I’m 37 weeks and having pressure in my lower belly. It hits me randomly and can be really intense!! It’s not painful really but just pressure....what do you think it means? Should I just call my doctor or is it normal?