Variation in pulmonary function tests parameters in different phases of menstrual cycle in healthy female medical students

Abhilasha Mishra; R B Kamal

doi:10.5455/njppp.2015.5.0306201554

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Original Research
Online Published: 23 Nov 2015

Natl J Physiol Pharm Pharmacol. 2015; 5(5): 357-360

doi: 10.5455/njppp.2015.5.0306201554

Variation in pulmonary function tests parameters in different phases of menstrual cycle in healthy female medical students

Abhilasha Mishra, R B Kamal.

Cited By:7

Abstract
Background: Menstrual cycle is a physiological process that occurs in women. It is characterized by periodic vaginal bleeding owing to the shedding of uterine mucosa, which has its own effect on various systems and metabolisms.

Aims and Objective: To understand the variations in respiratory parameters in different phases of the menstrual cycle.

Materials and Methods: This study was conducted on the selected female medical students of MLN Medical College, Allahabad, Uttar Pradesh, India. Fifty-five healthy female volunteers within the age group of 1824 years who revealed a regular menstrual cycle of 28 ± 3 days were selected. We analyzed various pulmonary function parameters on three different phases of menstrual cycle (menstrual phase, 2nd day; proliferative phase, 12th day; and secretory phase, 22nd day).

Result: In pulmonary function tests parameters, forced expiratory volume in one second (FEV1) and forced vital capacity (FVC) increased in the mid-secretory phase (p < 0.001); FEV1/FVC ratio was higher in the mid-secretory phase (p = 0. 026); and peak expiratory flow rate (PEFR) was also higher in the secretory phase (p = 0.001). These values were the lowest in menstrual phase and lower in the proliferative phase when compared with the secretory phase.

Conclusion: This study was a moderate attempt to determine the regular variations in different pulmonary function tests parameters, during different phases of menstrual cycle in normal healthy female subjects and evaluate various conflicting reports on female subjects.

Key words: Menstrual Cycle; Pulmonary Function; Proliferative Phase; Secretory Phase

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Pubmed Style

Mishra A, Kamal RB. Variation in pulmonary function tests parameters in different phases of menstrual cycle in healthy female medical students. Natl J Physiol Pharm Pharmacol. 2015; 5(5): 357-360. doi:10.5455/njppp.2015.5.0306201554

Web Style

Mishra A, Kamal RB. Variation in pulmonary function tests parameters in different phases of menstrual cycle in healthy female medical students. https://www.njppp.com/?mno=190435 [Access: June 22, 2026]. doi:10.5455/njppp.2015.5.0306201554

AMA (American Medical Association) Style

Mishra A, Kamal RB. Variation in pulmonary function tests parameters in different phases of menstrual cycle in healthy female medical students. Natl J Physiol Pharm Pharmacol. 2015; 5(5): 357-360. doi:10.5455/njppp.2015.5.0306201554

Vancouver/ICMJE Style

Mishra A, Kamal RB. Variation in pulmonary function tests parameters in different phases of menstrual cycle in healthy female medical students. Natl J Physiol Pharm Pharmacol. (2015), [cited June 22, 2026]; 5(5): 357-360. doi:10.5455/njppp.2015.5.0306201554

Harvard Style

Mishra, A. & Kamal, . R. B. (2015) Variation in pulmonary function tests parameters in different phases of menstrual cycle in healthy female medical students. Natl J Physiol Pharm Pharmacol, 5 (5), 357-360. doi:10.5455/njppp.2015.5.0306201554

Turabian Style

Mishra, Abhilasha, and R B Kamal. 2015. Variation in pulmonary function tests parameters in different phases of menstrual cycle in healthy female medical students. National Journal of Physiology, Pharmacy and Pharmacology, 5 (5), 357-360. doi:10.5455/njppp.2015.5.0306201554

Chicago Style

Mishra, Abhilasha, and R B Kamal. "Variation in pulmonary function tests parameters in different phases of menstrual cycle in healthy female medical students." National Journal of Physiology, Pharmacy and Pharmacology 5 (2015), 357-360. doi:10.5455/njppp.2015.5.0306201554

MLA (The Modern Language Association) Style

Mishra, Abhilasha, and R B Kamal. "Variation in pulmonary function tests parameters in different phases of menstrual cycle in healthy female medical students." National Journal of Physiology, Pharmacy and Pharmacology 5.5 (2015), 357-360. Print. doi:10.5455/njppp.2015.5.0306201554

APA (American Psychological Association) Style

Mishra, A. & Kamal, . R. B. (2015) Variation in pulmonary function tests parameters in different phases of menstrual cycle in healthy female medical students. National Journal of Physiology, Pharmacy and Pharmacology, 5 (5), 357-360. doi:10.5455/njppp.2015.5.0306201554

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