TY - CHAP M1 - Book, Section TI - THE FETAL GENITOURINARY SYSTEM A1 - Benson, Carol B. A1 - Doubilet, Peter M. A2 - Fleischer, Arthur C. A2 - Toy, Eugene C. A2 - Lee, Wesley A2 - Manning, Frank A. A2 - Romero, Roberto J. PY - 2015 T2 - Sonography in Obstetrics and Gynecology: Principles & Practice, 7e AB - DefinitionsRenal agenesis: congenital absence of the kidneys.Potter's syndrome: constellation of fetal and neonatal complications, such as lung hypoplasia and facial and skeletal abnormalites, as a result of severe oligohydramnios, classically due to renal agenesis.Hydronephrosis: dilation of the renal collecting system usually due to partial urinary tract obstruction. SN - PB - McGraw-Hill Education CY - New York, NY Y2 - 2024/04/20 UR - obgyn.mhmedical.com/content.aspx?aid=1106707188 ER -