HELP!

Jessica
I am 33 weeks pregnant...have be in lreterm labor since 25 weeks...i am 2cm dilated close to 3 at 70%. Since last night I have been having an achey feeling in my hips to my back. I have a 3 year old but was induced so im unsure of what actually natural labor feels like. I have alerted my doctor but havent got an answer yet! Anyone ever experience this?