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Indian Journal of Clinical Anatomy and Physiology

Nerve Conduction Velocity across the phases of menstrual cycle

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Author Details: Amruta S. Bennal, Varsha Chavan

Volume : 4

Issue : 1

Online ISSN : 2394-2126

Print ISSN : 2394-2118

Article First Page : 1

Article End Page : 3


Background: During reproductive life of women, menstrual cycle is a physiological phenomenon. Alteration in the concentration of hormones such as estrogen and progesterone influences its phases. Across normal menstrual cycle, fluctuating levels of sex steroids affect sensory- motor association of an individual.
Aims and Objective: To study the nerve conduction velocity across the phases of menstrual cycle.
Materials and Methods: In 50 female’s medical students with regular menstrual cycle belonging 19-25 years of age, a cross sectional study was conducted. Nerve conduction velocity was calculated by recording evoked electromyogram (EMG) by stimulating median nerve at elbow and at wrist.
Results: There is no statistically significant change in nerve conduction velocity (measured in m/s) across the different phases of menstrual cycle, though slight decrease in secretory phase (57.96±2.99) comparing proliferative phase (57.99±3.83) and menstrual phase (58.37±2.92).
Conclusion: NCV slightly decreases during secretory phase, may be due to the hormones estrogen and progesterone causing retention of salt and water, may be considered as physiological.

Keywords: Hormones: Menstrual Cycle; Nerve Conduction Velocity