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Maternal serum alpha-fetoprotein and total beta-human chorionic gonadotrophin in twin pregnancies during mid-trimester: their implications for adverse pregnancy outcomes.

Cheung Kwok Lung. / Thesis (M.Phil.)--Chinese University of Hong Kong, 1997. / Includes bibliographical references (leaves 123-136). / ABSTRACT (English) --- p.i / ACKNOWLEDGMENTS --- p.1 / LIST OF FIGURES --- p.3 / LIST OF TABLES --- p.5 / LIST OF ABBREVIATIONS --- p.7 / Chapter I. --- INTRODUCTION AND OBJECTIVES --- p.8 / Chapter II. --- LITERATURE REVIEWS --- p.11 / Chapter II.A. --- Maternal Serum Alpha-fetoprotein Screeningin Singleton Pregnancies --- p.11 / Chapter II.A.1. --- Physiology of Alpha-fetoprotein --- p.12 / Chapter II.A.2. --- Historical Background of Screening by Alpha- fetoprotein --- p.12 / Chapter II.A.3. --- Factors that Influence Maternal Serum Alpha- fetoprotein Concentration --- p.13 / Chapter ILA.4. --- Elevated Maternal Serum Alpha-fetoprotein Concentration and Adverse Pregnancy Outcomes and Complications --- p.14 / Chapter II.A.4.a. --- Low Birth Weight --- p.16 / Chapter II.A.4.b. --- Fetal Loss --- p.17 / Chapter II.A.4.c. --- Pregnancy Induced Hypertension --- p.18 / Chapter II.B. --- Maternal Serum Human Chorionic Gonadotrophin Screening in Singleton Pregnancies --- p.18 / Chapter II.B.1. --- Physiology of Human Chorionic Gonadotrophin --- p.18 / Chapter II.B.2. --- Historical Background of Screening by Human Chorionic Gonadotrophin --- p.20 / Chapter II.B.3. --- Factors that Influence Maternal Serum Human Chorionic Gonadotrophin --- p.21 / Chapter II.B.4. --- Elevated Maternal Serum Human Chorionic Gonadotrophin Concentration and Pregnancy Complications --- p.21 / Chapter II.B.5. --- Maternal Serum AFP and hCG Concentrations and Adverse Outcomes or Complications in Twin Pregnancies --- p.23 / Chapter II.C. --- Mechanism for the Association between Adverse Outcomes and Elevated Maternal Serum Alpha- fetoprotein and Human Chorionic Gonadotrophin --- p.25 / Chapter III. --- METHODS --- p.28 / Chapter III.A. --- Study Population --- p.28 / Chapter III.B. --- Sample Collection and Analysis --- p.29 / Chapter III.C. --- Clinical Information --- p.30 / Chapter III.D. --- Microparticle Enzyme Immunoassay --- p.30 / Chapter III.D.1. --- Principles --- p.30 / Chapter III.D.1.a. --- Reaction Process --- p.31 / Chapter III.D.1.b. --- MEIA Assembly --- p.33 / Chapter III.D.1.c. --- Operation --- p.34 / Chapter III.D.2. --- AFP Assay --- p.34 / Chapter III.D.2.a. --- AFP Reagents --- p.34 / Chapter III.D.2.b. --- Sample Dilution --- p.36 / Chapter III.D.3. --- Total p-hCG Assay --- p.37 / Chapter III.D.3.a. --- Total p-hCG Reagents --- p.37 / Chapter III.D.3.b. --- Sample Dilution --- p.39 / Chapter III.D.4. --- Intra- and Inter-assay Variation --- p.39 / Chapter III.E. --- Data Handling --- p.42 / Chapter III.F. --- Statistical Analysis --- p.42 / Chapter III.F.1. --- Calculations of Median Values of Maternal Serum Alpha-fetoprotein and Human Chorionic Gonadotrophin Concentrations --- p.42 / Chapter III.F.2. --- Analysis for Adverse Outcomes or Complications --- p.43 / Chapter III.F.3. --- Adjustment of Alpha-fetoprotein and Human Chorionic Gonadotrophin for Gestational Age and Maternal Weight --- p.46 / Chapter IV. --- RESULTS --- p.48 / Chapter IV.A. --- Median Values of Maternal Serum Alpha-fetoprotein Human Chorionic Gonadotrophin --- p.48 / Chapter IV.B. --- Prediction of Adverse Outcomes by Maternal Serum Alpha-fetoprotein and Human Chorionic Gonadotrophin --- p.60 / Chapter IV.B. l. --- Preterm Delivery --- p.60 / Chapter IV.B.2. --- Spontaneous Preterm Delivery --- p.64 / Chapter IV.B.3. --- Premature Delivery --- p.68 / Chapter IV.B.4. --- Spontaneous Premature Delivery --- p.68 / Chapter IV.B.5. --- Other Outcomes or Complications --- p.72 / Chapter IV.B.6. --- Single Predictor for Most Adverse Outcomes --- p.74 / Chapter IV.C. --- Adjustment of Maternal Serum Alpha-fetoprotein and Human Chorionic Gonadotrophin for Maternal Weight and Gestational Age --- p.75 / Chapter IV.C.1. --- Distribution of Alpha-fetoprotein and Human Chorionic Gonadotrophin during Mid-trimester --- p.76 / Chapter IV.C.2. --- Adjustment of Alpha-fetoprotein for Maternal Weight and Gestational Age --- p.79 / Chapter IV.C.3. --- Adjustment of Human Chorionic Gonadotrophin for Maternal Weight and Gestational Age --- p.80 / Chapter IV.D. --- Predictiveness of Alpha-fetoprotein and Human Chorionic Gonadotrophin for Adverse Outcomes after Adjusted for Maternal Weight and Gestational Age --- p.83 / Chapter IV.D.l. --- Preterm Delivery --- p.86 / Chapter IV.D.2. --- Spontaneous Preterm Delivery --- p.86 / Chapter IV.D.3. --- Premature Delivery --- p.92 / Chapter IV.D.4. --- Spontaneous Premature Delivery --- p.92 / Chapter IV.D.5. --- Other Adverse Outcomes or Complications --- p.98 / Chapter IV.D.6. --- Single Predictor for Most Adverse Outcomes --- p.98 / Chapter V. --- DISCUSSIONS --- p.100 / Chapter V.A. --- Median Values of Maternal Serum Alpha-fetoprotein and Human Chorionic Gonadtrophin --- p.100 / Chapter V.B. --- Maternal Serum Alpha-fetoprotein and Human Chorionic Gonadotrophin Screening for Adverse Outcomes --- p.103 / Chapter V.C. --- Adjustment of Alpha-fetoprotein and Human Chorionic Gonadotrophin for Maternal Weight and Gestational Age --- p.109 / Chapter V.D. --- Predictiveness of Alpha-fetoprotein and Human Chorionic Gonadotrophin for Adverse Outcomes after Maternal Weight and Gestational Age Adjustment --- p.112 / Chapter V.E. --- Conclusions --- p.113 / Chapter V.F. --- Future Directions --- p.116 / APPENDIX 1 DATA BASE OF CLINICAL INFORMATION --- p.117 / APPENDIX 2 SEVERITY AND CLASSIFICATION OF PREGNANCY INDUCED HYPERTENSION --- p.122 / REFERENCES --- p.123

Identiferoai:union.ndltd.org:cuhk.edu.hk/oai:cuhk-dr:cuhk_322013
Date January 1997
ContributorsCheung, Kwok Lung., Chinese University of Hong Kong Graduate School. Division of Surgical Sciences.
Source SetsThe Chinese University of Hong Kong
LanguageEnglish
Detected LanguageEnglish
TypeText, bibliography
Formatprint, viii, 136 leaves : ill. ; 30 cm.
RightsUse of this resource is governed by the terms and conditions of the Creative Commons “Attribution-NonCommercial-NoDerivatives 4.0 International” License (http://creativecommons.org/licenses/by-nc-nd/4.0/)

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