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Completed No phase listed Observational Accepts healthy volunteers

Evaluation of Headache and Childbirth in a Chronic Pain Population

ClinicalTrials.gov ID: NCT04632420

Public ClinicalTrials.gov record NCT04632420. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Oct 14, 2026, 9:41 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

Headache and backache are common symptoms following childbirth. The incidence of these symptoms have been shown to increase during the postpartum period between 5 to 12 months following delivery. By 12 months postpartum up to 45% and 65% of women experience headache and backache, respectively. While studies have reported headache and backache as frequently persistent symptoms beyond the first year postpartum, few studies have specifically interrogated women seeking specialist pain physician input or identified predisposing risk factors. Finally there is little known about typically described pain characteristics of women who suffer with chronic postpartum headache and backache. We aim to compare the prevalence of chronic headache in women that have versus have not experienced childbirth.

Study identification

NCT ID
NCT04632420
Recruitment status
Completed
Study type
Observational
Phase
Not listed
Lead sponsor
Stanford University
Other
Enrollment
1,112 participants

Conditions and interventions

Conditions

Interventions

Not listed

Eligibility (public fields only)

Age range
18 Years and older
Sex
Female
Healthy volunteers
Accepts healthy volunteers

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Sep 13, 2019 (Actual)
Primary completion
Feb 26, 2020 (Actual)
Completion
Feb 26, 2020 (Actual)
Last update posted
Apr 11, 2023

2019 – 2020

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
Stanford University Stanford California 94305 —

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04632420, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Apr 11, 2023 · Synced Oct 14, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT04632420 live on ClinicalTrials.gov.

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