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CHANGES IN THE FORM AND DIMENSIONS OF THE CHEST AT BIRTH AND IN THE NEONATAL PERIOD

CHANGES IN THE FORM AND DIMENSIONS OF THE CHEST AT BIRTH AND IN THE NEONATAL PERIOD In the fortnight following birth, the form and dimensions of the thorax undergo a series of peculiar changes which are dependent on a number of different factors. One of these changes, the increase in the horizontal circumference of the chest accompanying the first inspiration, is well known, but others, which are less marked and more variable, have apparently passed unnoticed. The following account of the changes in the form of the thorax of the new-born is based on measurements of the thoraces of late fetuses and full term still-born children, on observations of living infants on the first, third, fifth, seventh, tenth and twelfth days after birth, and on a number of observations on the horizontal chest circumference immediately before and after the first inspiration. The observations on the dimensions of the fetal thorax were made by Dr. L. A. Calkins as a part of an extensive study on the http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png American journal of diseases of children American Medical Association

CHANGES IN THE FORM AND DIMENSIONS OF THE CHEST AT BIRTH AND IN THE NEONATAL PERIOD

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References (2)

Publisher
American Medical Association
Copyright
Copyright © 1921 American Medical Association. All Rights Reserved. Applicable FARS/DFARS Restrictions Apply to Government Use.
ISSN
0096-8994
eISSN
1538-3628
DOI
10.1001/archpedi.1921.01910360035005
Publisher site
See Article on Publisher Site

Abstract

In the fortnight following birth, the form and dimensions of the thorax undergo a series of peculiar changes which are dependent on a number of different factors. One of these changes, the increase in the horizontal circumference of the chest accompanying the first inspiration, is well known, but others, which are less marked and more variable, have apparently passed unnoticed. The following account of the changes in the form of the thorax of the new-born is based on measurements of the thoraces of late fetuses and full term still-born children, on observations of living infants on the first, third, fifth, seventh, tenth and twelfth days after birth, and on a number of observations on the horizontal chest circumference immediately before and after the first inspiration. The observations on the dimensions of the fetal thorax were made by Dr. L. A. Calkins as a part of an extensive study on the

Journal

American journal of diseases of children – American Medical Association

Published: Jun 1, 1921

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