Why the study?
Does the phase of the menstrual cycle affect cardiac autonomic innervation as assessed by heart rate variability in young healthy women?
Population
43 nonobese regularly cycling healthy women, mean age 29 +/- 6 (range 20-38)
Comparison
Luteal phase of the menstrual cycle vs Follicular phase of the menstrual cycle
Design
Cohort
Authors
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Menstrual phase may influence HRV interpretation in young women; leaves open whether cycle-adjusted monitoring or risk stratification is warranted.
Does the phase of the menstrual cycle affect cardiac autonomic innervation as assessed by heart rate variability in young healthy women?
Cardiac autonomic tone fluctuates during the menstrual cycle, with increased sympathetic activity observed during the luteal phase.
Yı́ldı́rı́r et al. (2001) studied this question.
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