I just gave birth 2 months ago. If your feeling abdominal pain really bad. Then u should call your doctor. Let them know what your experiencing right now. They will tell u what to do. Either you do directly to the hospital or their clinic. You will know an active labor if your having contractions. I mean the real contractions.
I hope I could answer your question but we are in the same situation right now... im 35 weeks and been having braxton hicks ( I think, ftm dont really know the diff) and really bad back pain and I juat feel sick I hope im not though but hope you are:) its that time for you and if you are good luck:) I hooe everything turns out well