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Phone app and wristband help pregnant women control weight gain

NCT ID NCT06370533

Disease control Sponsor: Peking University Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tested a mobile health lifestyle program for 200 overweight or obese pregnant women in China. Participants used a WeChat account and a Huawei wristband to track diet, exercise, and weight, and received personalized feedback. The goal was to see if this approach could help them gain a healthy amount of weight during pregnancy and lower the risk of complications like gestational diabetes.

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, physical activity, weight monitoring via WeChat and Huawei wristband)
What this could lead to
If successful, this approach could help overweight or obese pregnant women manage weight gain during pregnancy and reduce risks like gestational diabetes.
What could go wrong
This is a completed trial, but results are not yet widely confirmed. The intervention relies on self-monitoring and may not work for everyone. It was tested only in China, so findings may not apply globally.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

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

200 people

The number who actually took part.

Started

Apr 2024

Finished

Mar 2026

Lead sponsor

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

18 to 40 years

Sex

Female participants only

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show 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: 1. At 8-14 weeks of gestation 2. Overweight or obese (pre-pregnancy 40 kg/m2≥BMI≥24 kg/m2) based on BMI recommendations of the Group of China Obesity Task Force of the Chinese Ministry of Health accounting for interracial differences (overweight BMI 24-28 kg/m2 and obese BMI≥28kg/m2) 3. 18-40 years of age 4. Singleton pregnant 5. Skilled at using smartphones and WeChat during pregnancy 6. Attend regular antenatal care and plan delivery at W.F. Maternal and Child Health Hospital or Tongzhou Maternal and Child Health-care Institution of Beijing 7. No contraindications to physical activity according to Physical Activity Readiness Questionnaire (PAR-Q) 8. Willing to be randomized and cooperate with research and regular follow-up visits and sign informed consent. Exclusion Criteria: 1. Pre-pregnancy hypertension, severe cardiovascular and cerebrovascular diseases, respiratory disease, hepatic and renal disease, malignant tumors, systemic lupus erythematosus, thyroid disease, severe anemia, and other chronic consumptive diseases. 2. Cervical insufficiency (historical painless cervical dilation leading to recurrent second-trimester births in the absence of other causes; dilated cervix on manual or speculum examination, etc.), multiple pregnancy, or continuous vaginal bleeding, etc. 3. Diabetes before pregnancy 4. Special dietary needs (e.g. , vegetarianism) 5. Severe psychiatric disorders (serious mental health disorders including depression, anxiety, bipolar disorders, etc.) 6. Cognitive impairment, visual impairment or hearing impairment 7. History of bariatric surgery or surgical history involving important organs within 3 months 8. Participated in other clinical trials within 6 months

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Conditions

The condition(s) this trial relates to.

Gestational Weight Gain Obesity obesity disorder Overweight gestational diabetes prevention target

As listed by the trial registrant

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

Gestational weight gain Overweight and obesity

Contacts and locations

Locations

  • Tongzhou Maternal and Child Health-care Institution

    Beijing, Beijing Municipality, China

  • W.F. Maternal and Child Health Hospital；

    Weifang, Shandong, China

More trials for these conditions

Other studies related to the condition(s) this trial covers.