Light therapy eases Post-Birth pain and speeds healing, study finds
NCT ID NCT06893315
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looked at whether photobiomodulation (PBM) therapy, a type of light treatment, can reduce pain and improve healing for women who had perineal tears or cuts during vaginal birth. 183 women were offered PBM in addition to standard care. Researchers compared pain scores and healing in those who accepted PBM versus those who declined. The goal was to see if adding light therapy helps more than standard treatments alone.
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Study facts
What this study's own registry entry says, in plain language.
- Participants
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183 people
The number who actually took part.
- Started
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Sep 2024
- Finished
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Jun 2025
- 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.
Who is studied
Patients undergoing episiotomy or patients who presented grade 2 or 3 perineal laceration during vaginal childbirth. The diagnosis of the degree of laceration is clinical and the obstetrician responsible for the patient's care treatment did so by exploring the injury and visualizing the injured structures within the hospital's care routine. Only those patients in whom the diagnosis of grade 2 or 3 perineal laceration made by the responsible care team and documented in the medical record were invited to participate in the study.
- Ages
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18 years and older
- Sex
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Female participants only
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Adult women over 18 years of age; * Parturients with a gestational age equal to or greater than 37 weeks; * Patients who had a vaginal birth; * Patients undergoing episiotomy or patients who presented grade 2 or 3 perineal laceration during childbirth. Exclusion Criteria: * Multiple pregnancy (twins); * Presence of fetal malformation or death identified during prenatal care or at the time of hospitalization for delivery; * Patients with serious complications such as severe puerperal hemorrhage or HELLP Syndrome during childbirth. * Patients with grade 1 or 4 perineal lacerations. * Presence of systemic diseases that alter the repair process. * Withdrawal of the nformed Consent Form" (ICF) at the request of the patient or those responsible;
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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.
Contacts and locations
Locations
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Hospital Universitário Materno-Infantil da Universidade Estadual de Ponta Grossa
Ponta Grossa, Paraná, 05020000, Brazil
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