Oxytocin in the Circadian Timing of Birth
2007
Oxytocin and Birth Timing
Sample size: 30
publication
Evidence: moderate
Author Information
Author(s): Jeffrey Roizen, Christina E. Luedke, Erik D. Herzog, Louis J. Muglia
Primary Institution: Washington University School of Medicine
Hypothesis
Oxytocin mediates circadian regulation of birth.
Conclusion
Oxytocin plays a critical role in minimizing labor disruption due to circadian clock resetting.
Supporting Evidence
- Wild type mice maintain a consistent timing of birth despite changes in light cycles.
- Oxytocin-deficient mice exhibit random timing of labor when light cycles are altered.
- Oxytocin levels remain rhythmic in wild type mice regardless of light cycle shifts.
Takeaway
Oxytocin helps keep the timing of birth regular, even when the light changes, but without it, births can happen at random times.
Methodology
The study evaluated parturition timing in oxytocin-deficient mice following shifts in light cycles.
Limitations
The study primarily involved mice, which may not fully represent human physiology.
Participant Demographics
Pregnant mice, including wild type and oxytocin knockout strains.
Statistical Information
P-Value
p<0.01
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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