Diagnosis of early pregnancy with A-mode ultrasound A preliminary report

Diagnosis of early pregnancy with A-mode ultrasound A preliminary report

An A‐mode ultrasonic analyzer was used to detect pregnancy and to determine gestational age in 102 patients, 77 of whom were pregnant and 25 of whom were not pregnant. All pregnant patients were in the first trimester. Polaroid photographs were taken of the echo pattern display and diagnosis was com...

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Veröffentlicht in:Journal of clinical ultrasound 1975-06, Vol.3 (2), p.133-134
Hauptverfasser: Haverkamp, Albert D., Thompson, Horace E., Yasuzawa, S. Steve
Format: Artikel
Sprache:eng
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A-mode ultrasonic analyzer
Early pregnancy detection
Female
Gestational Age
Humans
Pregnancy
Pregnancy Trimester, First
Ultrasonics - instrumentation
Ultrasonography
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container_end_page 134
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container_title Journal of clinical ultrasound
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creator Haverkamp, Albert D.
Thompson, Horace E.
Yasuzawa, S. Steve
description An A‐mode ultrasonic analyzer was used to detect pregnancy and to determine gestational age in 102 patients, 77 of whom were pregnant and 25 of whom were not pregnant. All pregnant patients were in the first trimester. Polaroid photographs were taken of the echo pattern display and diagnosis was compared with that of the clinical examination. Results indicate, using only the Polaroid photograph of the patient's A‐scope echo pattern, it is possible to (1) diagnose pregnancy with an accuracy rate of 87.2% and (2) estimate the week of gestation, within a tolerance of 21 days of the clinical examination, with an accuracy rate of 84.5%.
doi_str_mv 10.1002/jcu.1870030212
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subjects A-mode ultrasonic analyzer
Early pregnancy detection
Female
Gestational Age
Humans
Pregnancy
Pregnancy Trimester, First
Ultrasonics - instrumentation
Ultrasonography
title Diagnosis of early pregnancy with A-mode ultrasound A preliminary report
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