Signs and symptoms of preterm labor include:  Regular or frequent sensations of abdominal tightening (contractions) Constant low, dull backache A sensation of pelvic or lower abdominal pressure Mild abdominal cramps Vaginal spotting or light bleeding Preterm rupture of membranes — in a gush or a continuous trickle of fluid after the membrane around the baby breaks or tears A change in type of vaginal discharge — watery, mucus-like or bloody 
signs symptoms preterm labor include:  regular frequent sensations abdominal tightening (contractions) constant low  dull backache sensation pelvic lower abdominal pressure mild abdominal cramps vaginal spotting light bleeding preterm rupture membranes — gush continuous trickle fluid membrane baby breaks tears change type vaginal discharge — watery  mucus-like bloody 
preterm labor