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Cited by 165

The DOI matches its Crossref record; 9 of the 9 references it cites were found in a registry or an index.

Menstrual Cycle Effects on the Neurohumoral and Autonomic Nervous Systems Regulating the Cardiovascular System

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Hirshoren, N.·2002·Journal of Clinical Endocrinology & Metabolism

Abstract

Gonadal hormones may affect homeostatic mechanisms regulating the cardiovascular system. We investigated this relationship at five different crucial hormonal time points along the menstrual cycle. Eight eumenorrheic healthy subjects underwent a battery of autonomic tests, hemodynamics, and volume-regulatory hormone measurements. Fluid-regulatory hormones, plasma renin activity, and aldosterone increased along the luteal phase (P = 0.003 and 0.02, respectively), whereas rest supine-corrected hematocrit declined in the course of the menstrual cycle (P = 0.001). Plasma norepinephrine decreased from 1.4 +/- 0.2 to 0.95 +/- 0.1 nmol/liter (P < 0.02) [early follicular (EF) to late follicular]. Thereafter, concentrations gradually returned to EF levels. Lf to Hf domain ratio (spectral analysis of electrocardiogram) showed a difference from that of norepinephrine. The cardiovagal baroreflex sensitivity increased significantly along the luteal phase (P = 0.04). The dose of isoproterenol required to increase heart rate (HR) 15 beats per minute was 0.19 +/- 0.04 microg during the EF time point, and it increased to 0.39 +/- 0.06 microg during the late luteal time point (P = 0.05). However, blood pressure, HR, and their responses to orthostatic stress remained unchanged. Fluctuations in the ovarian hormones along the menstrual cycle are associated with unchanged blood pressure and HR, despite the significant variations in the different homeostatic mechanisms regulating the cardiovascular system.

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Metadata

Authors
Hirshoren, N.
Venue
Journal of Clinical Endocrinology & Metabolism
Published
2002-04-01
Volume
87
Issue
4
Pages
1569-1575
ISSN
0021-972X (ISSN-L)
OpenAlex
W2163884745
Cited by
165
References
9
FWCI
3.11
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Menstrual Cycle Effects on the Neurohumoral and Autonomic Nervous Systems Regulating the Cardiovascular System. https://app.cochat.ai/papers/10.1210/jc.87.4.1569
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Hirshoren, N. (2002). Menstrual Cycle Effects on the Neurohumoral and Autonomic Nervous Systems Regulating the Cardiovascular System. Journal of Clinical Endocrinology & Metabolism. https://doi.org/10.1210/jc.87.4.1569

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