1. Specialty Registrar, Department of Obstetrics and Gynaecology East and North Hertfordshire NHS Trust, Lister Hospital Stevenage Hertforshire SG1 4AB UK
2. Consultant Obstetrician/Specialist in Maternal Medicine and High‐risk Obstetrics, Department of Obstetrics and Gynaecology East and North Hertfordshire NHS Trust, Lister Hospital Stevenage Hertforshire SG1 4AB UK
3. Consultant Obstetrician/Specialist in Feto‐Maternal Medicine and Fetal Intrapartum Surveillance, Department of Obstetrics and Gynaecology East and North Hertfordshire NHS Trust, Lister Hospital Stevenage Hertforshire SG1 4AB UK