need some help

Aracely • Mommy of 1 waiting on BBy #2
I'm 24 weeks pregnant with the third baby.. I've been cramping and been feeling nauseous for the past 2 hrs honestly I dnt feel good...
My second baby is only 11 months and she was born at 36 weeks due to my lumbar which I have slipped discs and with this pregnancy I've been feeling like crap 
went to sleep feeling like poop and woke up like two hrs ago cramping and wanting to throw up