Cure My Disease

Don't miss your cure!

 Log in / Sign up

When to clamp the cord? study tests waiting for pulsations to stop

NCT ID NCT03844490

Knowledge-focused Sponsor: Instituto Materno Infantil Prof. Fernando Figueira 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 24, 2026 · Last updated Jul 10, 2026 · Updated 2 times

Summary

This study looked at 580 low-risk pregnant women and their newborns to compare clamping the umbilical cord 1-3 minutes after birth versus waiting until the cord stops pulsating on its own. The goal was to see if waiting longer affects newborn jaundice, hemoglobin levels, or mother's health. The findings could help guide standard delivery practices.

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 waiting for cord pulsation to stop is safe, it could become a standard practice to improve newborn iron levels without extra risk.
What could go wrong
This is a completed study, not a treatment trial. Results may not change current guidelines, and individual birth situations may still require early clamping.

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

580 people

The number who actually took part.

Started

Apr 2019

Finished

Jan 2020

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

Children (under 18), adults (18 to 64) and older adults (65 and over)

Sex

Female participants only

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

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 women) * Low risk pregnancy; * Full-term pregnancy (37 to 42 weeks); * Single fetus; * Cephalic presentation; * Normal birth; * Euthocic delivery. (newborns) * Live birth; * Apgar\> 7 in the first minute and fifth minutes. Exclusion Criteria: Early clamping for any reason (indicated by assistant); * Instrumental delivery (forceps); * Chorioamnionitis; * Placental abruption; * Prolapse of umbilical cord; * Congenital anomaly; * Labor analgesia.

Get updates

Get notified about this study

Sign up to get updates when this study changes or when new studies for Umbilical cord are added.

Our safety recommendation!

By submitting, you agree to our Terms of use

Conditions

The condition(s) this trial relates to.

Jaundice, Neonatal Postpartum Hemorrhage

As listed by the trial registrant

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

Umbilical cord

Contacts and locations

Locations

  • Instituto Materno Infantil Prof. Fernando Figueira

    Recife, Pernambuco, 50.070-550, Brazil