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Control of myometrial function in preterm versus term labor.
Clinical Obstetrics and Gynecology
|September 1, 1984
Summary
This review details how myogenic, neurogenic, and hormonal factors control myometrial function in labor. Understanding these mechanisms, particularly myometrial gap junctions, is key to regulating labor pharmacologically.
Area of Science:
- Reproductive biology
- Physiology
Background:
- Myometrial function is crucial for term and preterm labor.
- Hormonal influences and cellular changes orchestrate uterine contractility.
Purpose of the Study:
- To review the myogenic, neurogenic, and hormonal mechanisms controlling myometrial function.
- To propose a model for understanding labor initiation and regulation.
Main Methods:
- Literature review of physiological and hormonal controls of myometrial function.
- Development of a working hypothesis detailing molecular and cellular interactions.
Main Results:
- Hormonal changes drive the synthesis of myometrial gap junctions and receptors, increasing contractility.
- Myometrial gap junction development is physiologically regulated and pharmacologically manipulable.
Conclusions:
- A comprehensive model is proposed for the interactions controlling myometrial contractility and labor.
- Targeting these mechanisms offers a rational approach to controlling term and preterm labor.