Risk Factors for Preterm Labor and Delivery
by Cynthia M. Johnson, MA
A risk factor is something that raises a person's chances of getting a disease or health problem. A woman can have preterm labor with or without the risks below. The more risks a woman has, the greater the chances are.
Preterm labor is more common in women who:
Some things that may raise the risk are:
American College of Obstetricians and Gynecologists’ Committee on Practice Bulletins—Obstetrics. Practice Bulletin No. 171: Management of Preterm Labor. Obstet Gynecol. 2016 Oct;128(4):e155-64, reaffirmed 2018.
Preterm labor and birth: overview. National Institute of Child Health and Human Development website. Available at: https://www.nichd.nih.gov/health/topics/preterm/Pages/default.aspx. Accessed July 30, 2020.
Preterm labor and birth. The American College of Obstetricians and Gynecologists website. Available at: https://www.acog.org/patient-resources/faqs/labor-delivery-and-postpartum-care/preterm-labor-and-birth. Accessed July 30, 2020.
Preterm labor. EBSCO DynaMed website. Available at: https://www.dynamed.com/condition/preterm-labor. Accessed July 30, 2020.
Who is at risk for preterm labor and birth? National Institute of Child Health & Human Development website. Available at:
...(Click grey area to select URL)
Accessed July 30, 2020.
Last reviewed March 2020 by EBSCO Medical Review Board Beverly Siegal, MD, FACOG
Last Updated: 2/26/2021
EBSCO Information Services is fully accredited by URAC. URAC is an independent, nonprofit health care accrediting organization dedicated to promoting health care quality through accreditation, certification and commendation.
This content is reviewed regularly and is updated when new and relevant evidence is made available. This information is neither intended nor implied to be a substitute for professional medical advice. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with questions regarding a medical condition.
To send comments or feedback to our Editorial Team regarding the content please email us at firstname.lastname@example.org. Our Health Library Support team will respond to your email request within 2 business days.