TY - CHAP M1 - Book, Section TI - Anterior Displacement of the Anus A1 - Hay, Jr, William W. A1 - Levin, Myron J. A1 - Deterding, Robin R. A1 - Abzug, Mark J. PY - 2017 T2 - Quick Medical Diagnosis & Treatment Pediatrics AB - Common anomaly in infant girlsIn girls, diagnosis is made if the distance from the vaginal fourchette to the center of the anal opening is < 34% of the total distance from fourchette to coccyxIn boys, the diagnosis is made if the distance from the base of the scrotum to the anal aperture is < 46% of the total distance from scrotum to coccyx SN - PB - McGraw-Hill Education CY - New York, NY Y2 - 2024/04/19 UR - accesspediatrics.mhmedical.com/content.aspx?aid=1145453675 ER -