Can diet and activity classes help Moms-to-Be avoid excess weight gain?

NCT ID NCT01812694

Completed Disease control Sponsor: National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) Source: ClinicalTrials.gov ↗

First seen Jun 25, 2026 · Last updated Jul 01, 2026 · Updated 3 times

Summary

This study tested two lifestyle programs for overweight or obese pregnant women to help them manage weight gain during pregnancy. One group received weekly group sessions on diet and activity, while the other got extra health information and classes. Researchers tracked weight gain and health outcomes for mothers and babies through the first year after birth.

What this could mean

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

Active substance: lifestyle intervention (diet and activity education)
What this could lead to: If successful, this could show that simple diet and activity programs help pregnant women avoid excessive weight gain and reduce risks like diabetes.
What could go wrong: This is a completed Phase 3 trial, but results may not apply to all populations. Lifestyle changes can be hard to maintain, and benefits may vary.

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Conditions

The condition(s) this trial relates to.

Obesity obesity disorder type 2 diabetes mellitus Weight Gain gestational diabetes prevention target

As listed by the trial registrant

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

DIABETES TYPE 2 DIET THERAPY OBESITY

Contacts and locations

Locations

NIDDK, Phoenix

Phoenix, Arizona, 85014, United States

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