Clinical, biomechanical, psychological, and biochemical factors associated with functional disability in women with postpartum lumbopelvic pain: a Cross-Sectional study

NCT ID NCT07809685

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First seen Sep 09, 2026 · Last updated Sep 09, 2026

Summary

Postpartum lumbopelvic pain may affect functional ability, daily activities, physical performance, psychological well-being, and health-related quality of life. The aim of this observational cross-sectional study is to investigate clinical, biomechanical, psychological, and biochemical factors associated with functional disability in women with postpartum lumbopelvic pain. Approximately 45 women aged 18 to 50 years who are 6 to 15 months postpartum and have persistent low back pain and/or pelvic girdle pain will be enrolled. General functional disability will be assessed using the Oswestry Disability Index (ODI), and pelvic-girdle-specific symptoms and activity limitations will be assessed using the Pelvic Girdle Questionnaire (PGQ). Pain intensity during activity, at rest, and at night will be evaluated using visual analogue scales (VAS). Psychological status will be evaluated using the Edinburgh Postnatal Depression Scale (EPDS), and health-related quality of life will be assessed using the physical and mental component scores of the 12-item Short Form Health Survey (SF-12). Biomechanical assessments will include diastasis recti abdominis and trunk muscle endurance using flexor endurance, extensor endurance, prone plank, right side-plank, and left side-plank tests. Mode of delivery will also be recorded. Biochemical evaluation will include circulating C-reactive protein (CRP), interleukin-6 (IL-6), interleukin-10 (IL-10), tumor necrosis factor-alpha (TNF-alpha), and cortisol. The study will examine the relationships between functional disability and these clinical, biomechanical, psychological, and biochemical variables.

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Study facts

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

Participants

About 45 people

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

Expected to start

Sep 2026

An estimate. Start dates often move.

Expected to finish

Dec 2026

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.

Who is studied

Women aged 18 to 50 years who are 6 to 15 months postpartum and attend routine follow-up at the study center will be screened after examination by an obstetrics and gynecology specialist. Eligible participants will have postpartum lumbopelvic pain, defined as persistent low back pain and/or pelvic girdle pain lasting for at least three months, and will meet the predefined inclusion and exclusion criteria.

Ages

18 to 50 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: Female participants aged 18 to 50 years. Having given birth 6 to 15 months before study enrollment. Diagnosis of postpartum lumbopelvic pain by an obstetrics and gynecology specialist. Low back pain and/or pelvic girdle pain persisting for at least 3 months. Pain intensity of at least 5/10 on the Visual Analogue Scale (VAS). Willingness to participate in the study and provide written informed consent. Exclusion Criteria: History of low back pain or pelvic girdle pain before pregnancy. Multiple pregnancy. Receipt of another therapy or medication for the condition during the study period. History of serious trauma. Musculoskeletal injury or bone fracture. Myofascial pain syndrome or fibromyalgia. Osteoarthritis. Neurological disease, including radiculopathy or myelopathy. Chronic inflammatory disease. History of cancer. Osteoporosis.

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Conditions

The condition(s) this trial relates to.

Low Back Pain Pelvic Girdle Pain

As listed by the trial registrant

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

How to take part

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  1. The places running it

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Contacts and locations

Locations

  • ANTE SAĞLIK Op. Dr. Bilge Öğütçüoğlu Clinic

    İzmit, Kocaeli, 41040, Turkey (Türkiye)

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