For the past 2 hours now i have been getting these really bad cramping pains in my lower abdomen like when you have ur period, and then i get dull aches in my lower back its just been coming and going... I had a bit of diarreah earlier too. Can also feel stuff coming out down there (sorry TMI) This is my 2nd preg with my 1st all i remember is losing my plug and then going into labour a few days after at 37 weeks. Any ideas what this could be?... I will be 36 weeks on tuesday.