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RGUHS Nat. J. Pub. Heal. Sci Vol: 14  Issue: 1 eISSN:  pISSN

Original Article

Basal metabolic rate, stress and different phases of menstrual cycle

Hemalatha. N.R, Shashikala. L 

Assistant Professors, Department of Physiology, Mandya Institute of Medical Sciences, Mandya

Year: 2011, Volume: 1, Issue: 2, Page no. 8-14,
Views: 985, Downloads: 24
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CC BY NC 4.0 ICON
This work is licensed under a Creative Commons Attribution-NonCommercial 4.0.
Abstract

The present study was undertaken to find out Basal Metabolic Rate (BMR) in different phases of menstrual cycle, the effect of stress on BMR and stress level in different phases of menstrual cycle and during BMR recording, in women staying at Bangalore. The BMR was obtained serially in 40 healthy women, aged 18 – 22 years, by indirect calorimetry using Benedict-Roth apparatus in menstrual, follicular and luteal phases of the menstrual cycle. The stress levels were assessed using questionnaires – state anxiety (STAI) and Bell's Adjustment Inventory (BAI) student form in each phase. The results showed significant increase (p<0.0001) in BMR during luteal phase as compared to other two phases, whereas it was almost identical in menstrual and follicular phases. Stress level remained almost same throughout the cycle, except for significant increase in state anxiety during menstrual phase as compared to follicular (<0.016) and luteal phases (<0.007). BMR increased with increase in stress level in each phase of menstrual cycle. Thus it can be concluded that BMR increases during luteal phase, as a postovulatory phenomenon, possibly mediated through hormones, mainly progesterone and not due to stress factor. 

<p>The present study was undertaken to find out Basal Metabolic Rate (BMR) in different phases of menstrual cycle, the effect of stress on BMR and stress level in different phases of menstrual cycle and during BMR recording, in women staying at Bangalore. The BMR was obtained serially in 40 healthy women, aged 18 &ndash; 22 years, by indirect calorimetry using Benedict-Roth apparatus in menstrual, follicular and luteal phases of the menstrual cycle. The stress levels were assessed using questionnaires &ndash; state anxiety (STAI) and Bell's Adjustment Inventory (BAI) student form in each phase. The results showed significant increase (p&lt;0.0001) in BMR during luteal phase as compared to other two phases, whereas it was almost identical in menstrual and follicular phases. Stress level remained almost same throughout the cycle, except for significant increase in state anxiety during menstrual phase as compared to follicular (&lt;0.016) and luteal phases (&lt;0.007). BMR increased with increase in stress level in each phase of menstrual cycle. Thus it can be concluded that BMR increases during luteal phase, as a postovulatory phenomenon, possibly mediated through hormones, mainly progesterone and not due to stress factor.&nbsp;</p>
Keywords
Basal metabolic rate, calorimetry, follicular, luteal, menstrual cycle, progesterone, stress,
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