1. Department of Obstetrics and Gynecology, Scarborough Hospital, York and Scarborough Teaching Hospital NHS Foundation Trust , YO12 6QL, Scarborough , United Kingdom
2. Department of Obstetrics , Gynaecology and Perinatology, Faculty of Clinical Sciences, , 220005, Ile-Ife, Osun State , Nigeria
3. College of Health Sciences, Obafemi Awolowo University , Gynaecology and Perinatology, Faculty of Clinical Sciences, , 220005, Ile-Ife, Osun State , Nigeria
4. Department of Obstetrics , Gynaecology and Perinatology, , 220222, Ile-Ife, Osun State , Nigeria
5. Obafemi Awolowo University Teaching Hospitals Complex , Gynaecology and Perinatology, , 220222, Ile-Ife, Osun State , Nigeria
6. World Association of Trainees in Obstetrics and Gynecology (WATOG) , 75001, Paris , France