Gita Ganguly Mukherjee DGO MD FICOG FICMCH FRCOGFormerly, Professor and Head, Department of Obstetrics and Gynaecology, RG Kar Medical College and Hospital, Kolkata, West Bengal, IndiaGautam Khastgir MD FRCS FRCOG FICOGMedical Director and Subspecialist, Department of Reproductive Medicine and Surgery, Bengal Infertility and Reproductive Therapy Hospital, Kolkata, West Bengal, IndiaRatna Chattopadhyay MBBS PhDHead (Embryology and Andrology), Institute of Reproductive Medicine, Kolkata, West Bengal, India