Preterm labor is labor that happens before 37 weeks of pregnancy. Babies born this early can have lifelong or life-threatening health problems. Learn the signs and symptoms of preterm labor. If you have even one sign or symptom, call your health care provider. If you’re having preterm labor, getting help quickly is the best thing to do.
https://www.marchofdimes.org/complications/signs-and-symptoms-of-preterm-labor.aspx

