The effect of the urinary bladder in obstetrical sonography

S Zemlyn

doi:10.1148/128.1.169

Diagnostics · Ultrasound

The effect of the urinary bladder in obstetrical sonography

Zemlyn S

Published July 1978 Radiology, 128(1), 169-175

DOI 10.1148/128.1.169 PMID 663205

Abstract

Observations of random obstetrical cases out of a large-volume practice are presented to demonstrate the often overlooked effects of filling the urinary bladder for obstetrical sonography. The effects, predominantly evident in the second trimester, include: perssure effects on the lower uterine segment, displacement of the cervix and/or corpus of the uterus, rotation, flexion, version, and tilting of the uterus. These events may affect the perception of placenta location and fetal position. This is especially important in the diagnosis of placenta previa in the second trimester. Many instances of placental "migration" may be due to this phenomenon. Implications for amniocentesis are briefly discussed.

Topics

Diagnostics Ultrasound Transvaginal Ultrasound

Diagnostics › Ultrasound › Transvaginal Ultrasound

PMID 663205 663205 DOI 10.1148/128.1.169 10.1148/128.1.169 Zemlyn et al. 1978, Zemlyn 1978

Cite this article

Zemlyn, S. (1978). The effect of the urinary bladder in obstetrical sonography. Radiology, 128(1), 169-175. https://doi.org/10.1148/128.1.169

Keywords

Amniocentesis, Diagnostic Errors, Female, Humans, Pregnancy, Pregnancy Trimester, Second, Prenatal Diagnosis, Ultrasonography, Urinary Bladder

The effect of the urinary bladder in obstetrical sonography

Abstract

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