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Umbilical artery blood flow characteristics in normal and growth‐retarded fetuses.
Author(s) -
EKSKINE R. L. A.,
RITCHIE J. W. K.
Publication year - 1985
Publication title -
bjog: an international journal of obstetrics and gynaecology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.157
H-Index - 164
eISSN - 1471-0528
pISSN - 1470-0328
DOI - 10.1111/j.1471-0528.1985.tb01399.x
Subject(s) - umbilical artery , fetus , blood flow , ultrasound , medicine , doppler effect , anatomy , cardiology , pregnancy , radiology , biology , physics , genetics , astronomy
Summary. Time‐velocity waveforms or sonograms obtained by pulsed Doppler ultrasound from the umbilical artery were analysed in a longitudinal study o f 15 normal pregnancies. The sonograms from nine fetuses with intrauterine growth retardation were compared qualitatively and had quite different characteristics implying a high distal impedance to blood flow. Methods of analysis capable of differentiating between the normal and abnormal sonograms are described and discussed.