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Dissertations / Theses on the topic 'Ultrasonics in obstetrics'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 August 2024

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1

Durbin, Sharon A. "Understanding the effects of obstetrical ultrasound." Online version, 1999. http://www.uwstout.edu/lib/thesis/1999/1999durbin.pdf.

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2

陳鳳儀 and Fung-yee Chan. "Doppler ultrasound is a useful investigatory tool in the field of obstetrics & gynaecology." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1995. http://hub.hku.hk/bib/B31981525.

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3

Poggenpoel, Elizabeth J. "Primary obstetric ultrasound : comparing a detail ultrasound only protocol with a booking ultrasound protocol." Thesis, Stellenbosch : University of Stellenbosch, 2010. http://hdl.handle.net/10019.1/4326.

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4

Yang, Fang, and 杨芳. "Application of three-dimensional ultrasonography in obstetrics." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2012. http://hdl.handle.net/10722/196083.

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Three-dimensional (3D) sonography is regarded as a further development of ultrasound imaging technology and its application has greatly increased in recent years. This thesis summarizes the original research findings of the application of 3D ultrasonography for biometry measurement, morphology screening, prenatal diagnosis of abnormalities, ultrasound training and the application of 3D volumetry in the early diagnosis of homozygous α-thalassemia and birth weight prediction in term pregnancy. In a study involving 50 singleton pregnancies at 17-34 weeks' gestation, fetal biometric measurement

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5

Brock, Sheila Anne. "The role of obstetric ultrasound in primary health care at a secondary hospital in South Africa." Thesis, Peninsula Technikon, 2000. http://hdl.handle.net/20.500.11838/1558.

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Thesis (MTech (Radiography))--Peninsula Technikon, Cape Town, 2000<br>Ultrasound has, until recently, been regarded as a sophisticated diagnostic modality, reserved for tertiary health care. In reality, it is a cost-effective, reliable and safe modality that is highly suited to primary health care. Secondary level centres provide the only access to ultrasound for many of the obstetric primary health care patients, as primary health care has limited ultrasound resources. The increasing monthly statistics, at one secondary centre, bares witness to the need for ultrasound in primary hea

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6

Castle, Bruce M. "The role of real-time ultrasound in the assessment and management of preterm labour." Doctoral thesis, University of Cape Town, 1987. http://hdl.handle.net/11427/26624.

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In this thesis the use of real-time ultrasound in the assessment and management of preterm labour has been studied, with particular reference to the observation of fetal breathing movements, gross fetal body movements and the state of the uterine cervix. In addition, a longitudinal analysis of the trends in preterm labour in the John Radcliffe Hospital in Oxford between 1973 and 1981 has been performed. Finally, an attempt has been made to clarify the relationship between prostaglandin E2 and fetal breathing movements. The analysis of the trends in preterm labour in Oxford has shown that the i

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7

Edwards, Warren S. "A low-cost high-performance three-dimensional ultrasound system and its clinical application in obstetrics /." Thesis, Connect to this title online; UW restricted, 1999. http://hdl.handle.net/1773/5906.

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8

Chan, Fung-yee. "Doppler ultrasound is a useful investigatory tool in the field of obstetrics & gynaecology." [Hong Kong] : University of Hong Kong, 1995. http://sunzi.lib.hku.hk/hkuto/record.jsp?B14804566.

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9

Collins, Sally. "Development of placental ultrasound markers to screen for the term, small for gestational age (SGA) baby." Thesis, University of Oxford, 2012. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.711642.

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10

Gallagher, Francis J. "Spectral analysis of blood velocity in the human fetus /." Online version of thesis, 1995. http://hdl.handle.net/1850/11811.

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11

Basir, Ghazala Sikandar. "Endometrial assessment by ultrasonography, Doppler velocimetry and morphometry in women undergoing assisted reproduction treatment." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1999. http://hub.hku.hk/bib/B31222201.

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12

Brink, Derek Montagu. "Clinical and ultrasonic estimation of fetal weight." Master's thesis, University of Cape Town, 1994. http://hdl.handle.net/11427/26563.

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Several clinical situations occur in obstetrics where it is useful to make an accurate assessment of fetal weight prior to delivery. A foreknowledge of the mass of the fetus can influence management in circumstances complicated by, for example, a previous caesarean section, a breech presentation, a compromised fetus of borderline viability and a diabetic pregnancy at term. Researchers have attempted to estimate fetal weight by assaying oestriol, human placental lactogen, and pregnanediol. These parameters have been found to be of limited value because of the indirect measurement of fetal mass.

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13

Smith, Gordon Campbell Sinclair. "Maternal, obstetric, biochemical and ultrasonic associations of normal and abnormal human pregnancy." Thesis, University of Cambridge, 2010. http://theses.gla.ac.uk/3189/.

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The work in this thesis describes a series of studies utilising diverse data sources which were analysed using a number of regression methods (logistic, linear, Cox, Poisson), to address the factors associated with normal and abnormal pregnancy outcome. A series of maternal characteristics were related to adverse pregnancy outcome. Teenage pregnancy was not associated with an increased risk of any adverse outcome among first births, but was strongly associated with adverse outcome among second births [8]. Parity also interacted with body mass index: maternal obesity was associated with an incr

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14

李揚敬 and Young-king John Lee. "Questionnaire survey on the maternal wish to know the fetal sex from obstetric ultrasound examination." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2002. http://hub.hku.hk/bib/B31971167.

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15

Isaacs, Ferial. "An evaluation of fetal growth in human immunodeficiency virus infected women at Khayelitsha and Gugulethu midwifery obstetric units in the Western Cape." Thesis, Cape Peninsula University of Technology, 2006. http://hdl.handle.net/20.500.11838/1547.

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Thesis (MTech (Radiography))--Cape Peninsula University of Technology, 2006<br>A prospective cohort study was done on Human Immunodeficiency Virus (HIV) infected and uninfected women attending Khayelitsha Midwifery Obstetric Unit (MOU) and Gugulethu MOU from June 2003 to December 2004, primarily to establish whether there is an association between HIV infection and Intra-uterine growth restriction (lUGR). B-Mode real time ultrasound imaging was used to monitor fetal growth from ±22 weeks to 36 weeks gestational age. Birth weight, gestational age at delivery, gender, placental weight, and

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16

Puzey, Martin Stanley. "The investigation of the calcium antagonist nifedipine on fetal umbilical artery Doppler waveforms." Master's thesis, University of Cape Town, 1992. http://hdl.handle.net/11427/27134.

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The following thesis will describe the investigation of the effect of nifedipine (a calcium antagonist) on the Doppler flow velocity waveform of the umbilical artery. The thesis is divided into two parts. The first section is a literature review of the three main aspects of the thesis namely: 1. The uteroplacental circulation in humans and the pathophysiology related to this circulation in hypertension and intrauterine growth retardation (IUGR). 2. The biokinetics of nifedipine and a review of the experiments that have been performed using the drug in human and animal models. 3. The principles

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17

Barbosa, Bruna Maria Lopes. "Estudo da prematuridade em fetos com hérnia diafragmática congênita: avaliação de fatores de predição." Universidade de São Paulo, 2015. http://www.teses.usp.br/teses/disponiveis/5/5139/tde-24032016-121532/.

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INTRODUÇÃO: A hérnia diafragmática congênita é uma malformação fetal potencialmente grave, que está associada a alta mortalidade. Sabe-se que a prematuridade é um significante fator de risco para morbidade e mortalidade neonatal na maioria das doenças, porém sua relação com a hérnia diafragmática congênita pouco tem sido descrita. O que se tem observado nos estudos nesses fetos é que a incidência de prematuridade é maior que na população em geral OBJETIVOS: Avaliar a incidência de prematuridade nos fetos com hérnia diafragmática congênita e seus possíveis fatores de predição. MÉTODOS: Estudo d

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18

Núñez, Quintana Héctor Jesús. "Correlación entre el área de la gelatina de Wharton en un corte transversal y el peso fetal por encima del percentil 90 evaluados por ultrasonografía en gestantes a término. Servicio de Diagnóstico Médico - Lima, octubre - noviembre 2018." Bachelor's thesis, Universidad Nacional Mayor de San Marcos, 2019. https://hdl.handle.net/20.500.12672/10700.

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Identifica la correlación entre el área de la gelatina de Wharton en un corte transversal y el peso fetal por encima del percentil 90 evaluados por ultrasonografía en gestantes a término del Servicio de Diagnóstico Médico – Lima entre los meses de octubre - noviembre 2018. El estudio es de tipo observacional, prospectivo y de corte transversal, de nivel relacional, con diseño correlacional. El tamaño de la muestra fue de 96 ultrasonografías en gestantes a término atendidas en el Servicio de Diagnóstico Médico de octubre a noviembre del 2018. Para analizar la correlación entre las variables se

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19

Rackham, Thomas. "Ultrasound segmentation tools and their application to assess fetal nutritional health." Thesis, University of Oxford, 2016. http://ora.ox.ac.uk/objects/uuid:5d102b18-dd32-4004-8aa5-b04242139daa.

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Maternal diet can have a great impact on the health and development of the fetus. Poor fetal nutrition has been linked to the development of a set of conditions in later life, such as coronary heart disease, type 2 diabetes and hypertension, while restricted growth can result in hypogylcemia, hypocalcemia, hypothermia, polycythemia, hyperbilirubinemia and cerebral palsy. High alcohol consumption during pregnancy can result in Fetal Alcohol Syndrome, a condition that can cause growth retardation, lowered intelligence and craniofacial defects. Current biometric assessment of the fetus involves s

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20

Alsius, Suñer Mercè. "Estudi de les anomalies cromosòmiques detectades prenatalment i postnatalment per mètodes citogenètics i anàlisi de la contribució dels diferents mètodes de cribratge en la detecció de les anomalies prenatals. Hospital Universitari Dr. Josep Trueta, període 1999-2009." Doctoral thesis, Universitat de Girona, 2012. http://hdl.handle.net/10803/94201.

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Chromosome abnormalities are one of the most important causes of congenital disorders. The main goal of this research is to give a broad view of the use and evolution of prenatal and postnatal cytogenetic diagnosis in Girona province between 1999 and 2009. It also aims at linking prenatal cytogenetic diagnosis with the existing screening methods. The main conclusions are the following: - A rise in the use of cytogenetic diagnosis has been detected. This has been caused by a growing preventive medicine trend. - Case studies match the literature consulted when the study population is similar

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21

Bonet, Carné Elisenda. "lnvestigation of quantitative imaging biomarkers for assessing perínatal outcomes." Doctoral thesis, Universitat de Barcelona, 2014. http://hdl.handle.net/10803/290732.

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This Thesis consists of different studies focused in advancing towards the development of noninvasive imaging biomarkers to predict perinatal clinical outcomes. The structure of the PhD Thesis is divided in four projects to explore the development of a series of new methods based on image texture analysis allowing the analysis of medical images (i.e. ultrasound or magnetic resonance imaging) in the field of fetal medicine applications -mainly fetal lung maturity and fetal brain assessment-, to test their reproducibility and to select the best performing approach to develop an imaging biomarke

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22

Van, Dyk Barbara. "Potential benefits of routine ultrasound screening in the mid-trimester of pregnancy, at primary health care level in Gauteng." Thesis, 2012. http://hdl.handle.net/10210/5543.

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M.Tech.<br>It is difficult to manage a pregnancy when fetal age, health status or potential pregnancy risks are not known. The aim of this study was to assess the impact of routine ultrasound screening as compared to selective use of ultrasound in the mid-trimester of pregnancy, on women using South African government health services. The three objectives investigated included assessment of the availability of reliable menstrual histories in the study population, the influence of ultrasound dating on obstetric management and the effect of ultrasound on pregnancy outcome due to the early detect

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23

Taylor, Janelle Sue. "Mediating reproduction : an ethnography of obstetrical ultrasound /." 1999. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&res_dat=xri:pqdiss&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&rft_dat=xri:pqdiss:9943123.

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24

Riddle, Bethany. "Normative practices and normative identities a critical feminist investigation of preganacy ultrasound /." 2005. http://cdm256101.cdmhost.com/cdm-p256101coll31/document.php?CISOROOT=/p256101coll31&CISOPTR=76096.

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25

Kumar, Sanjalesh. "Obstetric sonography in Fiji : review of the current practice at an urban public hospital. A thesis submitted in partial fulfilment of the requirements for the degree of Master (Hons.) of Health Science (Medical Radiation Technology), Unitec New Zealand /." Diss., 2008. http://www.coda.ac.nz/cgi/viewcontent.cgi?article=1011&context=unitec_hs_di.

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26

Casmod, Yasmin. "The sensitivity of uterine artery spectral Doppler screening in predicting pre-eclampsia and foetal growth restriction." Thesis, 2014. http://hdl.handle.net/10210/9140.

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M.Tech. (Radiography)<br>Monitoring the growth and wellbeing of the foetus is a major purpose of antenatal care. The use of diagnostic ultrasound to assess foetal wellbeing has become an important part of prenatal care in both low and high risk pregnancies. Pre-eclampsia and foetal growth restriction (FGR) remains important causes of maternal and perinatal mortality and morbidity. Pre-eclampsia is characterised by an abnormal vascular response to placentation and is a multisystem disorder of unknown cause specific to pregnancy which affects the health of both mother and fetus. Prep-eclampsia c

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27

Siphugu, Steven Mbonalo. "The efficiency of ultrasonorgraphy in monitoring ovarian structures and foetal development in goats, sheep and cattle as verified through laparoscopy and laparotomy." Diss., 2018. http://hdl.handle.net/11602/1148.

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MSCAGR (Animal Science)<br>Department of Animal Science<br>The main purpose of this study was to assess the efficiency of ultrasonography in monitoring reproductive organs, pregnancy diagnosis, and foetal gender identification and to verify its reliability by laparoscopy and laparotomy, where applicable. Reproductive organs, pregnancy diagnosis and gender of the foetus were examined by A-mode ultrasound using 3.0 - 8.0 MHz trans-rectal transducer. A Sony Olympus Model laparoscope with a camera transducer was used to monitor the reproductive organs and pregnancy diagnosis. In monitoring the fol

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28

"Real-time three-dimensional ultrasound in obstetric application." Thesis, 2010. http://library.cuhk.edu.hk/record=b6075051.

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Conotruncal anomalies are the leading causes of cyanotic congenital heart disease. We attempted to use live xPlane imaging of ductal arch view and in-plane view of IVS to screen the fetal conotruncal anomalies in 200 fetuses. There were 152 normal cases, 25 conotruncal anomalies and 23 other types of fetal CHDs were involved in this study. The visualization rate of the normal ductal arch view and in-plane view of IVS with live xPlane imaging was 100% (152/152), 100% (152/152) in normal cases, 8% (2/25), 12% (3/25) in conotruncal anomalies and 69.7% (16/23), 73.9% (17/23) in non-conotruncal CHD

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