Screening for Preterm Labor and Delivery
by Cynthia M. Johnson, MA
Screening is done to find a problem and treat it early. Tests are given to people who do not have symptoms, but who may be at high risk.
An ultrasound may be done to measure a woman's cervix. A cervix that is too short may raise the risk of preterm delivery.
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.
Premature labor. American Pregnancy Association website. Available at:
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Accessed August 3, 2020.
Preterm labor and birth. National Institute of Child Health and Human Development website. Available at: https://www.nichd.nih.gov/health/topics/preterm/Pages/default.aspx. Accessed August 3, 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 August 3, 2020.
Preterm labor. EBSCO DynaMed website. Available at: https://www.dynamed.com/condition/preterm-labor. Accessed August 3, 2020.
Last reviewed March 2020 by EBSCO Medical Review Board Beverly Siegal, MD, FACOG
Last Updated: 2/26/2021
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