Study of Parasympathetic Function Tests during Different Phases of Menstrual Cycle
Journal Title: Scholars Journal of Applied Medical Sciences - Year 2015, Vol 3, Issue 4
Abstract
Abstract: Autonomic nerve function status may be changed during follicular and late lutealPhases of menstrual cycle due to fluctuations of serum estrogen and progesterone levels. This Alteration in autonomic nerve functions may affect cardio-vagal control. The main aim of this study is to compare the autonomic parasympathetic variables to find out co- relation between menstrual phase-follicular phases and also to find out co-relation between menstrual phase-luteal phases. Non-invasive autonomic nerve function tests like heart rate (HR) response to valsalva manoeuvre (valsalva ratio), HR response to deep breathing, HR response to standing (30th:15th ratio) were done to assess parasympathetic activity. The present study was carried out on 150 healthy female subjects with normal menstrual cycles between the age of 18 to 25 years, in the Department of physiology, Dr. S. N. Medical College, Jodhpur. The tests were conducted during menstrual phase, follicular phase and luteal phase of the menstrual cycle using electrocardiograph. The results were statistically analysed by applying paired “t” test. The parasympathetic activity reflects no significant (P>0.05) change between menstrual-follicular phases and shows no consistent pattern between menstrual-luteal phase. The data emerging from our study emphasize the complexity of the relationship between ovarian steroids & various hemodynamic regulatory systems. Keywords: Parasympathetic nerve functions, menstrual cycle, follicular phase, luteal phase, menstrual phase.
Authors and Affiliations
Garima Agarwal, Rakesh Kumar, Jayant Kumar, Kuldeep Bijaraniya
Keywords
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