Mausumi Das MD MRCOG MPH Consultant Gynaecologist, Department of Gynaecology and Reproductive Medicine, Imperial College Healthcare NHS Trust and Chelsea and Westminster Hospitals NHS Foundation Trust, London, UK Togas Tulandi MD MHCM FRCSC FACOG FCAHS Professor and Chair, Department of Obstetrics & Gynaecology and Milton Leong Chair in Reproductive Medicine, McGill University; Chief, Department of Obstetrics and Gynecology, McGill University Health Centre, Montreal, Canada