how do some of you get relief from pain in your lower left and center of your back(like tailbone…

how do some of you get relief from pain in your lower left and center of your back(like tailbone area)? I took a bath and that didn't help, I'm using a hearing pad and that's not helping, I've taken Tylenol and I've even tried streching...nothing seems to be working. 😢 hurts to walk, I just wasn't relief....please help

I'm 29 weeks