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NJBMS - Volume 9, Issue 1, July - September 2018

Pages: 35-43
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Evaluation of Autonomic Responses at Different Phases of Menstrual Cycle with Reference to Body Mass Index

Author: Poonam Gaur, Sukhwant Bose

Category: Physiology

Abstract:

Introduction : Different phases of menstrual cycle are accompanied by variations in autonomic functions upto different degrees. So any factor which causes disruption of the pattern of menstrual cyclicity in an individual shall also be reflected in her autonomic activity.

Aim & Objectives : To evaluate , assess and compare autonomic responses in low and normal BMI females in different phases of menstrual cycle.

Materials & Methods : Sixty (60) randomly selected Female subjects of age group 18-25 years were chosen and divided in two groups on the basis of WHO classification of BMI. Subjects with known history of diabetes, hypertension, heart disease or any other medical complications and taking medications which might influence their autonomic functions and BMI were excluded. A battery of five autonomic function tests was carried out on each subject under normal resting conditions.

Results : On comparison of parasympathetic tests, it was observed that all the values were higher in different phases of menstrual cycle in low BMI group as compared to normal BMI group and was significant in luteal phases whereas sympathetic test did not show any significant changes.

Conclusion: Alteration in balance of the ovarian hormones affects cardiac autonomic activity;Body Mass Index (BMI) is also a major determinant of cardiac autonomic modulation.

Keywords: Menstrual cycle, Autonomic test, BMI

DOI: 10.31975/NJBMS.2018.9105

DOI URL: http://dx.doi.org/10.31975/NJBMS.2018.9105