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Updated: Jun 15, 2026
07:56
Contractility Measurements of Human Uterine Smooth Muscle to Aid Drug Development
Published on: January 26, 2018
[Tocolytic therapy in threatened preterm labor]
Zaneta Kimber-Trojnar1, Bozena Leszczyńska-Gorzelak, Beata Marciniak
1Katedra i Klinika Połoznictwa i Perinatologii Uniwersytetu Medycznego w Lublinie. zkimber@poczta.onet.pl
Ginekologia Polska
|March 18, 2010
Summary
Tocolysis prolongs gestational age by 48 hours, enabling corticosteroid administration to reduce infant mortality and morbidity. Nifedipine is the preferred drug for managing preterm labor, considering effectiveness and safety.
Area of Science:
- Obstetrics and Gynecology
- Neonatology
- Pharmacology
Context:
- Preterm labor necessitates interventions to improve neonatal outcomes.
- Tocolysis aims to delay birth, allowing for critical medical interventions.
- Effective tocolytic agents are crucial for managing preterm labor.
Purpose:
- To review the benefits and classes of tocolytic agents.
- To emphasize the importance of individualized tocolytic therapy.
- To identify the first-choice drug for preterm labor management.
Summary:
- Tocolysis provides a crucial 48-hour window for administering corticosteroids, significantly reducing perinatal mortality and morbidity.
- Six classes of tocolytic agents exist: calcium channel blockers, betamimetics, magnesium sulfate, cyclooxygenase inhibitors, oxytocin receptor antagonists, and nitric oxide donors.
- Clinical trial data indicate nifedipine as the primary choice for preterm labor due to its effectiveness and safety profile.
Impact:
- Improved neonatal outcomes through timely corticosteroid administration and potential for "in utero" transfer.
- Guidance for clinicians on selecting appropriate tocolytic agents based on comprehensive patient factors.
- Establishes nifedipine as a leading pharmacological option in managing preterm labor, optimizing maternal and fetal well-being.
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