Can melatonin affect labor? new study investigates
NCT ID NCT05358834
First seen May 22, 2026 · Last updated Jun 22, 2026 · Updated 5 times
Summary
This study tests whether taking melatonin, a natural sleep hormone, can change the number of uterine contractions in full-term pregnant women. Researchers will give melatonin or a placebo to 120 women during the day and at night to see if it affects contractions. The goal is to understand the link between melatonin and labor, not to develop a treatment yet.
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Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Contacts and locations
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Study contacts
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
Locations
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Brigham and Women's Hospital
RECRUITINGBoston, Massachusetts, 02115, United States
Contact Phone: •••-•••-•••• Email: •••••@•••••
Contact
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
Melatonin (dietary supplement)
What this could lead to
If it works, this could help understand how melatonin influences labor timing, potentially leading to new ways to manage contractions.
What could go wrong
This is an early-stage study with only 120 participants, focused on basic physiology rather than treatment. Results may not translate into clinical practice.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.