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The use of the abdominal circumference as a means of assessing M‐mode ventricular dimensions during the second and third trimesters of pregnancy in the normal human fetus.
Author(s) -
DeVore G R,
Siassi B,
Platt L D
Publication year - 1985
Publication title -
journal of ultrasound in medicine
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.574
H-Index - 91
eISSN - 1550-9613
pISSN - 0278-4297
DOI - 10.7863/jum.1985.4.4.175
Subject(s) - medicine , circumference , fetus , interventricular septum , tricuspid valve , gestation , cardiology , confidence interval , waist , pregnancy , abdominal wall , mitral valve , anatomy , geometry , body mass index , ventricle , genetics , mathematics , biology
Eighty‐two normal fetuses were scanned from 18 to 41 weeks of gestation. The following M‐mode measurements were correlated with the abdominal circumference: diastolic biventricular outer (r = 0.951) and inner (r = 0.948) dimensions; diastolic right (r = 0.942) and left (r = 0.925) internal dimensions; tricuspid (r = 0.916) and mitral (r = 0.900) valve opening excursions; and right (r = 0.774), left (r = 0.731), and interventricular septal (r = 0.753) wall thickness. Polynomial regression demonstrated that linear regression best described the data from which the mean and 5 per cent and 95 per cent confidence limits for predicted M‐mode measurements were computed for the abdominal circumference between 12 and 35 cm.

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