Is it normal?

I am 31+3 and was wondering if it was normal to start softening in the cervix at this point in pregnancy? I am a first time mom and was told that today as I had to go in for really bad Braxton Hicks contractions and they put me on pelvic rest as well is all of this normal, if so could someone share their stories and what they did to help and their experiences?

They said they put me on pelvic rest because my cervix is starting to soften but I’m not dilated or thinning out or anything but she just doesn’t wanting me stimulating it to make anything to happen... they also had me do the NST machine and it wasn’t showing I was having any contractions but more BH than anything but they hurt really bad and scared me ...