Heart rate variability across the menstrual cycle in young women taking oral contraceptives

Psychophysiology
André L TeixeiraDjalma R Ricardo

Abstract

Previous studies have shown that resting heart rate variability (HRV) is modified by different phases of the menstrual cycle in nonusers of oral contraceptive pills (OCP); however, the effect of OCP on autonomic control of the heart remains unclear. The purpose of this study was to investigate HRV during the low hormone (LH-not taking OCP) and during the high hormone (HH-active OCP use) phases of the menstrual cycle in young women. Seventeen healthy women (19-31 years) taking OCP for at least 6 consecutive months were enrolled in this study. Plasma estradiol and progesterone were verified at each visit. HRV was assessed by using one-lead electrocardiography in time and frequency domains, in which participants rested in the supine position for a 20-min period with a breathing rate of 15 cycles/min. In addition, resting heart rate, and systolic and diastolic blood pressure were obtained. Both plasma estradiol (LH: 19.8 ± 4.2 pg/mL vs. HH: 12.4 ± 1.5 pg/mL; p > .05) and progesterone (LH: 0.247 ± 0.58 ng/mL vs. HH: 0.371 ± 0.08 ng/mL; p > .05) (mean ± SE) levels were similar in both phases. No significant difference was obtained for any component of HRV, heart rate, or blood pressure between the LH and HH phases (p > .05). These re...Continue Reading

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Citations

May 27, 2017·Journal of Sleep Research·Irina VirtanenPäivi Polo-Kantola
Nov 15, 2017·Medicine and Science in Sports and Exercise·André L TeixeiraLauro C Vianna
Jan 20, 2018·American Journal of Physiology. Heart and Circulatory Physiology·André L TeixeiraLauro C Vianna
Oct 20, 2019·Journal of Aging and Physical Activity·Julia C OrriAntone Scala
Jun 26, 2020·European Journal of Applied Physiology·María Rúa-AlonsoEliseo Iglesias-Soler
Sep 9, 2017·Frontiers in Physiology·Julian KoenigMichael Kaess
Jan 4, 2021·European Journal of Applied Physiology·Beatriz RaelUNKNOWN IronFEMME Study Group
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Aug 10, 2021·BMJ Open Sport & Exercise Medicine·Stacy T SimsEmily R Capodilupo

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