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Pregnancy and Childbirth presents the best evidence for the care of pregnant women to doctors, midwives, students and parents. The logical sequence of chapters and the index give quick access to the abstracts of over four hundred Cochrane systematic reviews. The book serves both as a stand-alone reference, and as a companion to locating full reviews on the Cochrane Library. The Cochrane Library is published by John Wiley on behalf of The Cochrane Collaboration. www.thecochranelibrary.com

Intro -- Title Page -- Copyright Page -- Contents -- Contributors -- Preface -- Part 1 Core methods -- Chapter 1 Starting a review -- 1.1 Why do a systematic review? -- 1.2 What is the review question? -- 1.3 Who should do a systematic review? -- 1.4 The importance of reliability -- 1.5 Protocol development -- 1.6 Data management and quality assurance -- 1.7 Chapter information -- 1.8 References -- Chapter 2 Determining the scope of the review and the questions it will address -- 2.1 Rationale for well-formulated questions -- 2.2 Aims of reviews of interventions -- 2.3 Defining the scope of a review question -- 2.4 Ensuring the review addresses the right questions -- 2.5 Methods and tools for structuring the review -- 2.6 Chapter information -- 2.7 References -- Chapter 3 Defining the criteria for including studies and how they will be grouped for the synthesis -- 3.1 Introduction -- 3.2 Articulating the review and comparison PICO -- 3.3 Determining which study designs to include -- 3.4 Eligibility based on publication status and language -- 3.5 Chapter information -- 3.6 References -- Chapter 4 Searching for and selecting studies -- 4.1 Introduction -- 4.2 General issues -- 4.3 Sources to search -- 4.4 Designing search strategies -- 4.5 Documenting and reporting the search process -- 4.6 Selecting studies -- 4.7 Chapter information -- 4.8 References -- Chapter 5 Collecting data -- 5.1 Introduction -- 5.2 Sources of data -- 5.3 What data to collect -- 5.4 Data collection tools -- 5.5 Extracting data from reports -- 5.6 Extracting studyresultsandconverting tothedesired format -- 5.7 Managing and sharing data -- 5.8 Chapter information -- 5.9 References -- Chapter 6 Choosing effect measures and computing estimates of effect -- 6.1 Types of data and effect measures -- 6.2 Study designs and identifying the unit of analysis.