I am 34wks and 3days. for the past week or so I have had on and off diarrhea along with abdominal cramping and increased watery discharge or mucusy and back pain. lately also i've been getting bad headaches. i don't know if i'm having contractions because i am a FTM, baby's movement is very active but i'm in complete discomfort? any other moms feeling this way? or could it be signs of preterm labor ?