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Twin pregnancy study tests if custom growth charts lead to better care

NCT ID NCT07164001

Knowledge-focused Sponsor: Indiana University Source: ClinicalTrials.gov ↗

What the study statuses mean

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Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jun 26, 2026

Summary

This study will enroll 150 pregnant individuals carrying twins to compare two ways of tracking fetal growth: the standard growth chart used for all pregnancies versus a chart designed specifically for twins. Participants will be randomly assigned to one of the two chart methods, and researchers will monitor outcomes like birth weight, timing of delivery, and newborn health. The goal is to see if the twin-specific chart helps doctors make better decisions and reduces unnecessary interventions.

What this could mean

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

What this could lead to
If successful, this study could show that using growth charts designed specifically for twins leads to more accurate monitoring and fewer unnecessary interventions during twin pregnancies.
What could go wrong
This is a relatively small, early-stage trial (150 participants) comparing two chart-reading methods, not testing a new drug or device. The results may not change standard practice if the twin-specific charts do not clearly improve outcomes.

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

About 150 people

The number the study aims to enrol. It can still change while the study runs.

Expected to start

Jan 2026

An estimate. Start dates often move.

Expected to finish

Jan 2030

An estimate. End dates often move.

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 years and older

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: * Pregnant individuals with a twin pregnancy of at least 18 weeks gestation. * Willing and able to provide informed consent. * Planning to deliver at a participating center. Exclusion Criteria: * Major fetal anomalies or known aneuploidy. * Significant maternal medical conditions that might confound study outcomes. * Inability to comply with study procedures.

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As listed by the trial registrant

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

Twin pregnancy

How to take part

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  1. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  2. A doctor treating you

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