Fetal abdominal dystocia at 28 weeks caused by an immensely distended bladder. Delivery was made possible by expression of fluid through a bladder perforation at the level of the fetal umbilicus. Section shows the interior of the bladder and compression of organs of abdominal and thoracic cavities. A black thread has been laid in the urethra. (This figure was published in American Journal of Obstetrics & Gynecology, Vol. 29, JE Savage, Dystocia due to dilation of the fetal urinary bladder, p. 267, Copyright Elsevier 1935.) Source: Chapter 20. Abnormal Labor, Williams Obstetrics, 23e Citation: Cunningham F, Leveno KJ, Bloom SL, Hauth JC, Rouse DJ, Spong CY. Williams Obstetrics, 23e; 2010 Available at: http://accessmedicine.mhmedical.com/DownloadImage.aspx?image=/data/books/cunn23/cunn23_c020f014.jpg&sec=41684997&BookID=350&ChapterSecID=41680584&imagename= Accessed: October 15, 2017 Copyright © 2017 McGraw-Hill Education. All rights reserved