Sudden Lower Back Pain?

Molly • 🐘 Eleanor Rose 🌹 2/11/18 - 2/19/18 💔 Lost baby #2 at 9 weeks on 6/10/18. 💔

Ok so I’m 37+3 and have been having really really awful lower back pain since yesterday. I haven’t really had back pain my entire pregnancy.

Could this be a sign that labor may be happening soon? Does it mean I will definitely have back labor? 😩 anyone have something similar?