About the Authors

Irene V. Koning

Affiliations Department of Obstetrics and Gynaecology, Erasmus University Medical Center, Rotterdam, the Netherlands, Department of Paediatrics, subdivision of Neonatology, Sophia Children’s Hospital, Rotterdam, the Netherlands

Irene A. L. Groenenberg

Affiliation Department of Obstetrics and Gynaecology, Erasmus University Medical Center, Rotterdam, the Netherlands

Anniek W. Gotink

Affiliation Department of Obstetrics and Gynaecology, Erasmus University Medical Center, Rotterdam, the Netherlands

Sten P. Willemsen

Affiliations Department of Obstetrics and Gynaecology, Erasmus University Medical Center, Rotterdam, the Netherlands, Department of Biostatistics, Erasmus University Medical Center, Rotterdam, the Netherlands

Manon Gijtenbeek

Affiliation Department of Obstetrics and Gynaecology, Erasmus University Medical Center, Rotterdam, the Netherlands

Jeroen Dudink

Affiliations Department of Paediatrics, subdivision of Neonatology, Sophia Children’s Hospital, Rotterdam, the Netherlands, Department of Radiology, Sophia Children’s Hospital, Rotterdam, the Netherlands

Attie T. J. I. Go

Affiliation Department of Obstetrics and Gynaecology, Erasmus University Medical Center, Rotterdam, the Netherlands

Irwin K. M. Reiss

Affiliation Department of Paediatrics, subdivision of Neonatology, Sophia Children’s Hospital, Rotterdam, the Netherlands

Eric A. P. Steegers

Affiliation Department of Obstetrics and Gynaecology, Erasmus University Medical Center, Rotterdam, the Netherlands

Régine P. M. Steegers-Theunissen

r.steegers@erasmusmc.nl

Affiliation Department of Obstetrics and Gynaecology, Erasmus University Medical Center, Rotterdam, the Netherlands

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MG RPMST. Performed the experiments: IALG AWG MG. Analyzed the data: IVK IALG SPW JD RPMST. Contributed reagents/materials/analysis tools: ATJIG EAPS RPMST. Wrote the paper: IVK IALG AWG SPW MG JD ATJIG IKMR EAPS RPMST. Obtained 3D-ultrasound images: MG. Explanation of the results: JD ATJIG IKMR RPMST.