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MENSTRUATION

MENSTRUATION In the human species, menstruation is the only overt manifestation of rhythm in the female reproductive system. In other primates there may be additional and even more obvious indications of cyclic changes. Corner1d and Edgar Allen1e have recently summarized the evidence that the rhythm is maintained by a delicate balance of endocrines. We are not dealing with "an all or none" phenomenon but with a balanced system of forces which changes as a whole when any one factor changes. The oscillations of the system may have a high amplitude or they may become almost imperceptible. The system is accordingly variable in its manifestations. This is generally conceded; the difference of opinion is largely a matter of the range of variability that is to be regarded as normal. Many clinicians are unwilling to regard a cycle as normal unless its primary purpose is achieved; i. e., unless a fertilizable http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png JAMA American Medical Association

MENSTRUATION

BARTELMEZ, GEORGE W.
JAMA , Volume 116 (8) – Feb 22, 1941
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Publisher
American Medical Association
Copyright
Copyright © 1941 American Medical Association. All Rights Reserved. Applicable FARS/DFARS Restrictions Apply to Government Use.
ISSN
0098-7484
eISSN
1538-3598
DOI
10.1001/jama.1941.62820080003010
Publisher site
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Abstract

In the human species, menstruation is the only overt manifestation of rhythm in the female reproductive system. In other primates there may be additional and even more obvious indications of cyclic changes. Corner1d and Edgar Allen1e have recently summarized the evidence that the rhythm is maintained by a delicate balance of endocrines. We are not dealing with "an all or none" phenomenon but with a balanced system of forces which changes as a whole when any one factor changes. The oscillations of the system may have a high amplitude or they may become almost imperceptible. The system is accordingly variable in its manifestations. This is generally conceded; the difference of opinion is largely a matter of the range of variability that is to be regarded as normal. Many clinicians are unwilling to regard a cycle as normal unless its primary purpose is achieved; i. e., unless a fertilizable

Journal

JAMA – American Medical Association

Published: Feb 22, 1941

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