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Updated: Dec 6, 2025

A Novel Method for Involving Women of Color at High Risk for Preterm Birth in Research Priority Setting
Published on: January 12, 2018
Preterm birth prevention
Eduardo B da Fonseca1, Rievani Damião1, Daniela Aires Moreira2
1Ob/Gyn Department, Federal University of Paraiba, João Pessoa, Paraiba, Brazil; Maternal Fetal Medicine Group, Nova Diagnóstico por Imagem, Brazil.
Insights
Prophylactic progesterone may reduce preterm birth rates in high-risk pregnancies. This review summarizes evidence on progesterone
Area of Science:
- Obstetrics and Gynecology
- Maternal-Fetal Medicine
- Reproductive Endocrinology
Background:
- Preterm birth (PTB) affects 12% of global pregnancies, causing significant neonatal morbidity and mortality.
- Current symptomatic treatments (corticosteroids, antibiotics) improve neonatal outcomes but do not decrease PTB incidence.
- Prophylactic progesterone is a potential strategy to reduce PTB rates.
Purpose of the Study:
- To review the evidence supporting the prophylactic use of progesterone for reducing preterm birth.
- To evaluate the effectiveness of progesterone in women with a history of PTB or short cervical length.
Main Methods:
- Systematic review of Level A evidence.
- Analysis of studies investigating progesterone's impact on PTB rates.
- Focus on specific high-risk populations (prior PTB, short cervix).
Main Results:
- Summarizes Level A evidence on progesterone's effectiveness.
- Highlights potential reduction in PTB rates with prophylactic use.
- Identifies specific patient groups who may benefit most.
Conclusions:
- Prophylactic progesterone shows promise in reducing preterm birth.
- Evidence supports its use in women with prior PTB or short cervix.
- Further research may refine optimal protocols and patient selection.
Abstract:
Preterm birth (PTB), which occurs in about 12% of pregnancies worldwide, is the main cause of neonatal morbidity and mortality. Symptomatic treatment of pregnancies presenting in preterm labor with corticosteroids and antibiotics has improved neonatal outcomes but has not reduced the incidence of PTB. Evidence suggests that the rate of PTB may be reduced by the prophylactic use of progesterone in women with a previous history of preterm delivery and in those with a short cervical length identified by routine transvaginal ultrasound. This review summarizes the evidence (level A evidence) of the effectiveness of progesterone on the rate of PTB.
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