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Published on: October 10, 2025
Preterm birth: An overview of risk factors and obstetrical management
Amanda Stewart1, Ernest Graham
1Department of Gynecology & Obstetrics, Division of Maternal Fetal Medicine, Johns Hopkins Hospital, Baltimore, Maryland. astewa30@jhmi.edu.
Insights
Preterm birth is a leading cause of infant death. Treatments like progesterone therapy and antenatal steroids aim to prevent preterm birth and improve infant outcomes.
Area of Science:
- Obstetrics and Gynecology
- Neonatal Medicine
- Public Health
Background:
- Preterm birth is the primary cause of neonatal mortality globally.
- Identified risk factors include prior preterm birth, short cervix, infection, short interpregnancy interval, smoking, and race.
- Emerging therapies like progesterone are increasingly used for high-risk mothers.
Purpose of the Study:
- To review current strategies for managing and preventing preterm birth.
- To highlight the role of progesterone therapy in at-risk pregnancies.
- To discuss interventions for improving neonatal outcomes.
Main Methods:
- Literature review of risk factors and management strategies for preterm birth.
- Analysis of the efficacy of progesterone therapy.
- Evaluation of tocolytics and medications for neonatal benefit.
Main Results:
- Progesterone therapy is gaining traction for preventing preterm delivery in at-risk women.
- Tocolytics may not prevent preterm birth but can extend pregnancy for critical medication administration.
- Antenatal steroids, magnesium sulfate, and antibiotics are key interventions for neonatal health.
Conclusions:
- Effective management of preterm birth requires addressing risk factors and utilizing appropriate therapies.
- Progesterone therapy offers a promising approach for preventing preterm delivery.
- A combination of interventions, including antenatal steroids and antibiotics, is crucial for optimizing neonatal outcomes.
Abstract:
Preterm birth is the leading cause of neonatal mortality and a major public health concern. Risk factors for preterm birth include a history of preterm birth, short cervix, infection, short interpregnancy interval, smoking, and African-American race. The use of progesterone therapy to treat mothers at risk for preterm delivery is becoming more widespread. Tocolytics may not prevent preterm birth but have a role in prolonging pregnancy for administration of medications to benefit the preterm infant. These include antenatal steroids and, if indicated, magnesium sulfate for neuroprotection and intravenous antibiotics for Group B Streptococcus prophylaxis.
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