Summary
Preterm labor is labor that starts before 37 completed weeks of pregnancy. It can lead to premature birth. Premature babies may face serious health risks.
Symptoms of preterm labor include:
- Contractions every 10 minutes or more often
- Leaking fluid or bleeding from the vagina
- Feeling of pressure in the pelvis
- Low, dull backache
- Cramps that feel like menstrual cramps
- Abdominal cramps with or without diarrhea
If you think you might be having preterm labor, contact your health care provider.
NIH: National Institute of Child Health and Human Development
Learn More
- About Preterm Labor and Birth (Eunice Kennedy Shriver National Institute of Child Health and Human Development) Also in Spanish
- Extremely Preterm Birth (American College of Obstetricians and Gynecologists)
- Preterm Birth (Centers for Disease Control and Prevention)
- Preterm labor (Medical Encyclopedia) Also in Spanish
- What Are the Risk Factors for Preterm Labor and Birth? (Eunice Kennedy Shriver National Institute of Child Health and Human Development) Also in Spanish
- What Treatments Can Reduce the Chances of Preterm Labor and Birth? (Eunice Kennedy Shriver National Institute of Child Health and Human Development) Also in Spanish
Clinical Trials
- ClinicalTrials.gov: Obstetric Labor, Premature (National Institutes of Health)
Journal Articles References and abstracts from MEDLINE/PubMed (National Library of Medicine)
- Article: Maternal cytokine profiles in second and early third trimester are not...
- Article: Physical Activity During Pregnancy and Preterm Birth Among Women With Gestational...
- Article: Association of air purifier usage during pregnancy with adverse birth outcomes:...
- Preterm Labor -- see more articles