Mausumi Das MD MRCOG MPHConsultant Gynaecologist, Department of Gynaecology and Reproductive Medicine, Imperial College Healthcare NHS Trust and Chelsea and Westminster Hospitals NHS Foundation Trust, London, UKTogas Tulandi MD MHCM FRCSC FACOG FCAHSProfessor 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