Cengiz, Deniz UgurColak, Sanem CanKoca, Hacer Unver2024-08-042024-08-0420231308-76492148-3817https://doi.org/10.5152/iao.2023.221027https://hdl.handle.net/11616/101704BACKGROUND: The aim of this study is to compare the possible functional involvement of the vestibulo-ocular reflex in the follicular and luteal phases. METHODS: The research was carried out at a university located in eastern Turkey. The study included 37 healthy female volunteering students aged 18-25 years. The functional head impulse test was applied twice in the follicular phase and in the luteal phase, and the results in both phases were compared. RESULTS: In the functional head impulse test, statistically significant differences were obtained between the follicular phase and the luteal phase at the stimulus to the lateral semicircular canal direction total and 6000 degrees/s2 acceleration percentage of correct answers values, the posterior semicircular canal direction stimulations at 3000 degrees/s2 and 5000 degrees/s2 acceleration percentage of correct answers values, and the anterior semicircular canal direction stimulations at 5000 degrees/s2 acceleration percentage of correct answers values. CONCLUSION: In the luteal phase, which corresponds to the period before menstruation, the vestibulo-ocular reflex is functionally negatively affected.eninfo:eu-repo/semantics/openAccessMenstruationfollicular phaseluteal phasevestibulo-ocular reflexf-HITArticle1965175223808832610.5152/iao.2023.2210272-s2.0-85178925723Q3WOS:001156133100012Q3