University of Murcia School of Medicine 1 article published in JoVE Medicine Anogenital Distance and Perineal Measurements of the Pelvic Organ Prolapse (POP) Quantification System María Luisa Sánchez-Ferrer1,2, María Teresa Prieto-Sánchez1,2, Carlos Moya-Jiménez1, Jaime Mendiola2,3,4, Carmen María García-Hernández1, Ana Carmona-Barnosi1, Anibal Nieto1,2, Alberto M. Torres-Cantero2,3,4,5 1Department of Obstetrics & Gynecology, "Virgen de la Arrixaca", University Clinical Hospital, 2Institute for Biomedical Research of Murcia, IMIB-Arrixaca, 3Division of Preventive Medicine and Public Health, Department of Public Health Sciences, University of Murcia School of Medicine, 4Biomedical Research Centre Network for Epidemiology and Public Health (CIBERESP), 5Department of Preventive Medicine, "Virgen de la Arrixaca", University Clinical Hospital This manuscript describes the procedures to perform anogenital distance (AGD) and perineal measurements standardized by the Pelvic Organ Prolapse Quantification System (POP-Q): perineal body (PB) and genital hiatus (GH). These measurements are compared in women with and without pelvic organ prolapse.