Table of content Summary Samenvatting Chapter 1 General introduction Chapter 2 Risk and the politics of boundary work: Preserving autonomous midwifery in the Netherlands Chapter 3 Towards a better understanding of risk selection in maternal and newborn care: A systematic scoping review Chapter 4 Models of risk selection in maternal and newborn care: exploring the organization of tasks and responsibilities of primary care midwives and obstetricians in Risk selection across the Netherlands Chapter 5 Maternal characteristics as indications for routine induction of labor: A nationwide retrospective cohort study Chapter 6 (Un)warranted variation in local hospital protocols for neonatal referral to the pediatrician: An explorative study in the Netherlands Chapter 7 General discussion Appendices About the Author Acknowledgements PhD Portfolio 10 14 21 39 69 93 109 129 159 198 199 202