Can weightlifting beat cardio for blood sugar in pregnancy?
NCT ID NCT07802262
First seen Sep 03, 2026 · Last updated Sep 04, 2026 · Updated 1 time
Summary
This trial tests whether the type and intensity of exercise affect blood sugar control in pregnant women with gestational diabetes. Participants will complete four separate exercise sessions: low-intensity resistance training, low-intensity aerobic training, moderate-intensity resistance training, and moderate-intensity aerobic training. Researchers will monitor blood glucose continuously during and for 24 hours after each session, and also measure insulin sensitivity before and after. The goal is to see if resistance training or moderate intensity offers better glucose regulation than aerobic training or low intensity.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Acute exercise sessions comparing resistance training (weightlifting) and aerobic training (cardio) at low and moderate intensities
- What this could lead to
- If it works, this could point toward specific exercise prescriptions that help pregnant women with gestational diabetes manage blood sugar and insulin sensitivity.
- What could go wrong
- This is a small, early study with only 23 participants, and it tests single exercise sessions rather than a full program, so the results may not translate to long-term glucose control or apply broadly.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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About 23 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Sep 2024
- Expected to finish
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Jan 2028
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 to 35 years
- Sex
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Female participants only
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Biological female * Singleton (one fetus) * 24-30-wks gestation * 18-35 yrs old * Sedentary * Conception without the use of assisted fertility treatments Exclusion Criteria: * Existing other metabolic disorders * Currently taking medication or supplements that affect glucose metabolism * Taking drugs, tobacco, or alcohol during pregnancy * Having a contraindication to exercise
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Human Performance Laboratory (HPL) at the University of Central Arkansas
RECRUITINGConway, Arkansas, 72035, United States
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