Can eating only during an 8-Hour window improve pregnancy outcomes for women with severe obesity?

NCT ID NCT06477120

Recruiting now Disease control Sponsor: University of Illinois at Chicago Source: ClinicalTrials.gov ↗

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This pilot study will test whether time-restricted eating (eating only during an 8-10 hour window each day) is safe and feasible for pregnant women with severe obesity. Sixty women in their second or third trimester will either follow this eating pattern or receive standard care. The goal is to see if this approach can help manage weight and reduce risks like gestational diabetes and high blood pressure.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance: Time-restricted eating (behavioral intervention)
What this could lead to: If successful, this could point toward a simple dietary strategy to reduce pregnancy complications in women with severe obesity.
What could go wrong: This is a very small pilot study (60 participants) focused on feasibility and safety, not effectiveness. Results may not apply to all pregnant women, and adherence to the eating window may be challenging.

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Conditions

The condition(s) this trial relates to.

Gestational Weight Gain Intermittent Fasting morbid obesity

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

OBESITY, MORBID PREGNANCY WEIGHT GAIN TIME RESTRICTED EATING

Contacts and locations

Locations

University of Illinois at Chicago College of Applied Health Sciences
RECRUITING

Chicago, Illinois, 60612, United States

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