Influence of low BMI on resting heart rate in different phases of menstrual cycle
Journal Title: Indian Journal of Basic and Applied Medical Research - Year 2018, Vol 7, Issue 2
Abstract
Introduction: Menstrual cyclicity is one of the physiological challenges in a normal individual which is accompanied with variations in autonomic functions. Resting heart rate is a non-invasive marker of cardiac health and frequently used during the evaluation of the functional condition of a person . Different factors like hormones, stress, body mass index etc that influence different phases of menstrual cycle also modulate resting heart rate. Aim & objectives: The aim of this study was to assess the influence of low BMI on resting heart rate (RHR) in different phases of the MC in healthy females. Methodology: Sixty (60) randomly selected Female subjects of age group 18-25 years were chosen. The study subjects were classified into two groups: Group I - Subjects with BMI in between 18.5 to 24.99 kg/m2 (n=30, Normal BMI) and Group II - Subjects with BMI < 18.5 kg/m2 (n =30, Low BMI). The participants made three visits to the laboratory; one in each phase of the cycle (follicular, ovulatory, and luteal). The RHR was evaluated during a 10-min period in the supine position, and was considered the lowest value recorded by the heart rate monitor. Statistically significant difference with an increase in resting heart rate in Low BMI group as compared to normal; maximum in luteal phase of menstrual cycle was obtained. Results: The results suggests that the imbalance of the ovarian hormones due to low BMI affects the cardiac autonomic activity, indicated by increased resting heart rate .
Authors and Affiliations
Poonam Gaur, Rupa Chhaparwal
Keywords
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