Table of Contents

Contributors vii Preface viii How to use this book x Acknowledgements xi About the companion website xii Part 1: Introduction 1 1 What is reproduction? 3 2 The infrastructure of reproduction 13 Part 2: Making women and men 35 3 Sex 37 4 Sexual maturation 53 5 Gender 72 6 Sexual selection 88 Part 3: Preparing for pregnancy 107 7 Making sperm 109 8 Men 128 9 Making eggs 139 10 Women 158 Part 4: Making an embryo 181 11 Sperm and eggs 183 12 Fertilization 197 13 Initiating pregnancy 215 Part 5: Maintaining a pregnancy 237 14 Supporting the embryo and fetus 239 15 Growing the fetus 257 16 Fetal challenges 270 Part 6: A new individual 289 17 Preparing for birth 291 18 Giving birth 301 19 Lactation 318 20 Postnatal care 330 Part 7: Manipulating reproduction 345 21 Controlling fertility 347 22 Restoring fertility 363 23 Society and reproduction 383 Index 395

About the Author

Martin H. Johnson MA, PhD, FRCOG, FRSB, FMedSci, FRS Emeritus Professor of Reproductive Sciences, Department of Physiology, Development and Neuroscience, University of Cambridge; Fellow of Christ's College, Cambridge, UK; Honorary Academic Fellow of St Paul's College, Sydney, NSW, Australia