Print ISSN:-2394-2118

Online ISSN:-2394-2126

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Indian Journal of Clinical Anatomy and Physiology


The modulatory influence of different phases of menstrual cycle on the parasympathetic tone in sedentary females-A cross-sectional study


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Author Details : Nirmala S. Anand, Shivaprasad Goudar

Volume : 5, Issue : 2, Year : 2018

Article Page : 205-209


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Abstract

Introduction: The cyclical fluctuating gonadal hormones in a female affect the functioning of the autonomic nervous system & a decline in parasympathetic neural activity is a forerunner to multiple cardiac conditions like MI, angina etc hence its detection at its inception is primary to institute remedial measures.
Aim: The aim of the present study was to examine whether the cardiac parasympathetic status of a healthy eumenorrhic female is altered during different phases of menstrual cycle.
Materials and Methods- Thirty eumenorrhic females were recruited during the follicular and luteal phases of menstrual cycle & subjected to battery of parasympathetic autonomic tests.
Statistical Analysis: Data was analyzed statistically using student’s paired t-test.
Results: The results from 30:15 ratio in follicular phase was (1.19 ±0.05) while in luteal (1.08 ±0.05  ), E:I ratio in follicular ( 1.58 ±0.15 ) while in luteal phase was (1.29 ±0.25), Valsalva ratio in follicular (1.89 ±0.32 ) while in luteal phase was (1.73 ±0.34 )while the values of DBD and Tachycardia ratio were insignificant statistically.
Conclusion: We hence conclude that there is an obvious interaction between the gonadal hormones and autonomic nervous system which is reflected by a reduced vagal outflow during luteal phase.

Keywords: Autonomic, Deep Breathing difference, Menstrual cycle, Parasympathetic, Vagal.

Doi : 10.18231/2394-2126.2018.0047

How to cite : Anand N S, Goudar S, The modulatory influence of different phases of menstrual cycle on the parasympathetic tone in sedentary females-A cross-sectional study. Indian J Clin Anat Physiol 2018;5(2):205-209

Copyright © 2018 by author(s) and Indian J Clin Anat Physiol. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (CC-BY-NC 4.0) (creativecommons.org)