Good day! Pregnancy is 38 weeks, I woke up with a temperature and my b…

Good day! Pregnancy is 38 weeks, I woke up with a temperature and my bones ache. But for the past five hours straight, my lower back hurts, dull pain that never goes away for even a second. What should I do in such a case? Maybe someone has encountered this. It's like contractions haven't happened, if it's not contractions. I am the firstborn myself.