Effects of Menstrual Cycle Phases on Gait, Pelvis, and Sleep

NCT ID: NCT07152262

Last Updated: 2026-01-09

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Total Enrollment

40 participants

Study Classification

OBSERVATIONAL

Study Start Date

2025-06-01

Study Completion Date

2026-02-01

Brief Summary

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This study aims to investigate the effects of different phases of the menstrual cycle on gait spatiotemporal characteristics, pelvic kinematics, and sleep quality in healthy women aged 18-35 years with regular menstrual cycles. Participants will be assessed in three phases of the cycle: early follicular (days 1-3), ovulation (days 7-9, confirmed by ovulation test), and luteal (days 20-23). Gait parameters and pelvic kinematics will be evaluated using the BTS-G walk sensor system, while sleep quality will be assessed with the Pittsburgh Sleep Quality Index (PSQI). The study seeks to determine whether physiological and hormonal changes during menstrual phases lead to measurable differences in gait, pelvic motion, and sleep quality.

Detailed Description

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This cross-sectional, prospective observational study investigates the influence of menstrual cycle phases on gait spatiotemporal characteristics, pelvic kinematics, and sleep quality in healthy women aged 18-35 years with regular menstrual cycles (28 ± 7 days). Hormonal changes during the cycle may affect musculoskeletal performance, balance, and sleep quality, yet the extent of these effects on gait and pelvic motion has not been fully clarified.

Participants will be evaluated in three phases of their menstrual cycle:

Early follicular phase (days 1-3), determined by the onset of menstrual bleeding, Ovulation phase (days 7-9), confirmed by a salivary ovulation test, Luteal phase (days 20-23), approximately 6-8 days after ovulation. At each phase, gait spatiotemporal parameters (speed, cadence, stride length, stance and swing phases, gait cycle duration) and pelvic kinematics (tilt, obliquity, rotation symmetry) will be assessed using the BTS-G walk wireless sensor system. Sleep quality will be measured with the Pittsburgh Sleep Quality Index (PSQI).

Conditions

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Menstrual Cycle Sleep Gait

Study Design

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Observational Model Type

COHORT

Study Time Perspective

PROSPECTIVE

Study Groups

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Healthy Women with Regular Menstrual Cycles

Women aged 18-35 years with regular menstrual cycles (28 ± 7 days), evaluated prospectively during early follicular, ovulation, and luteal phases.

No interventions assigned to this group

Eligibility Criteria

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Inclusion Criteria

* Female, aged 18-35 years
* Voluntarily agrees to participate and provides informed consent
* Regular menstrual cycle (28 ± 7 days)
* Able to comply with study assessments and procedures

Exclusion Criteria

* History of surgery within the past 6 months
* Current or chronic low back pain
* Dysmenorrhea complaints
* Neurological or orthopedic disorders affecting gait or muscle strength
* Presence of spinal deformities
* Rheumatologic disease
* Climacteric or menopausal period
* Any condition that may affect gait, pelvic kinematics, or sleep quality
Minimum Eligible Age

18 Years

Maximum Eligible Age

35 Years

Eligible Sex

FEMALE

Accepts Healthy Volunteers

Yes

Sponsors

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Hacettepe University

OTHER

Sponsor Role lead

Yuksek Ihtisas University

OTHER

Sponsor Role collaborator

Responsible Party

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Güngör Beyza ÖZVAR

Principal Investigator

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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Aylin Baykal

Role: PRINCIPAL_INVESTIGATOR

Yuksek Ihtisas University

Busra Kalkan Balak

Role: STUDY_DIRECTOR

Yuksek Ihtisas University

Gungor Beyza Ozvar Senoz

Role: PRINCIPAL_INVESTIGATOR

Yuksek Ihtisas University

Locations

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Yuksek Ihtisas University

Ankara, , Turkey (Türkiye)

Site Status RECRUITING

Countries

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Turkey (Türkiye)

Central Contacts

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Gungor Beyza Ozvar Senoz

Role: CONTACT

505 388 86 17 ext. +90

Facility Contacts

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Gungor Beyza Ozvar Senoz

Role: primary

Other Identifiers

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Menstrual Cycle

Identifier Type: -

Identifier Source: org_study_id

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