1. Department of Obstetrics Maternal Medicine Service St George's Hospital London UK
2. Academic Department of Obstetrics and Gynaecology Chelsea and Westminster Hospital London UK
3. Department of Cardiology University Hospitals Coventry and Warwickshire Coventry UK
4. Department of Obstetrics Edinburgh Royal Infirmary Edinburgh UK
5. Department of Endocrinology Cardiff and Vale University Health Board Cardiff UK
6. Department of Cardiology Addenbrookes Hospital Cambridge UK
7. Department of Adult Congenital Heart Disease Glenfield Hospital Leicester UK
8. Saint Mary's Managed Clinical Service Manchester University Foundation Trust Manchester UK
9. Department of Endocrinology Oxford Centre for Diabetes, Endocrinology and Metabolism Oxford University Hospitals NHS Foundation Trust Oxford UK
10. Department of Congenital Cardiology University Hospital Southampton NHS Foundation Trust Southampton UK
11. Department of Endocrinology Addenbrookes Hospital Cambridge UK
12. Adult Congenital Heart Disease Service University Hospitals Bristol NHS Foundation Trust Bristol UK
13. Cardiology Department Norfolk and Norwich University Hospital Norwich UK
14. Department of Adult Congenital Heart Disease Leeds Teaching Hospitals NHS Trust Leeds UK
15. Department of Adult Congenital Heart Disease University Hospitals Birmingham Birmingham UK
16. Department of Cardiology University Hospitals Sussex Brighton UK
17. Department of Obstetrics UCD Perinatal Research Centre School of Medicine University College Dublin National Maternity Hospital Dublin Ireland
18. Women’s Centre Oxford University Hospitals NHS Foundation Trust Oxford UK
19. NIHR Oxford Biomedical Research Centre Oxford University Hospitals NHS Foundation Trust Oxford UK
20. Academic Department of Obstetrics Birmingham Women's and Children's NHS Foundation Trust University of Birmingham Birmingham UK
21. Department of Obstetrics University Hospitals Bristol NHS Foundation Trust Bristol UK
22. Adult Congenital Heart Disease Barts Heart Centre London UK
23. Department of Obstetrics Royal London Hospital London UK
24. Neuroscience and Mental Health Research Institute Cardiff University Cardiff UK
25. Department of Obstetrics Aberdeen Royal Infirmary Aberdeen UK
26. Department of Obstetrics Royal Leicester Infirmary Leicester UK
27. Department of Obstetrics Princess Anne Hospital Southampton UK
28. Department of Obstetrics Norfolk and Norwich University Hospitals Norwich UK
29. Department of Endocrinology Oxford University Hospitals NHS Foundation Trust Oxford UK