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Menstrual cramps may alter pelvic alignment, new study investigates

NCT ID NCT07702214

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

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Cancelled before anyone took part.

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When the status isn't known

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First seen Jul 14, 2026 · Last updated Jul 15, 2026 · Updated 1 time

Summary

This study looks at whether primary dysmenorrhea (painful periods) is linked to changes in the biomechanics of the lower back and pelvis. Researchers will compare female university students aged 18-24 who have moderate to severe menstrual pain with those who have little or no pain. They will measure pain intensity, disability, and pelvic tilt angle to see if there is a relationship.

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 links are found, it could lead to better understanding of how menstrual pain affects posture and movement, potentially guiding physical therapy approaches.
What could go wrong
This is an observational study, so it cannot prove cause and effect. Results may not apply beyond the specific group of young, normal-weight university students studied.

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.

Participants

About 128 people

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

Expected to start

Jul 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

128 female university students aged 18-24 years with a Body Mass Index (BMI) between 18.5 and 24.9 kg/m² will participate in this study. The female will be allocated to groups depending on the level of NRS, more than 4 will be in the dysmenorrhea group, and less than 3 will be in the non-dysmenorrhea group.

Ages

18 to 24 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 university students aged 18-24 years * Body Mass Index (BMI) between 18.5 and 24.9 kg/m² * Regular menstrual cycle (28-35 days) for at least the past six months * Willingness to avoid analgesics 72 hours prior to testing Exclusion Criteria: * History of pelvic or gynecological disorders * Previous spinal, abdominal, or lower limb surgery * Neurological disorders * Structural spinal deformities (e.g., moderate to severe scoliosis) * Obesity (BMI ≥ 30 kg/m²) * Current use of oral contraceptive pills * History of pregnancy or delivery

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Conditions

The condition(s) this trial relates to.

primary dysmenorrhea

As listed by the trial registrant

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

Dysmenorrhea primary

How to take part

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  1. The official record

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