Late decelerations due to uteroplacental insufficiency resulting from placental abruption. Immediate cesarean delivery was performed. Umbilical artery pH was 7.05 and the Po2 was 11 mm Hg. Source: Labor, Williams Obstetrics, 24e Citation: Cunningham F, Leveno KJ, Bloom SL, Spong CY, Dashe JS, Hoffman BL, Casey BM, Sheffield JS. Williams Obstetrics, 24e; 2013 Available at: http://accessmedicine.mhmedical.com/DownloadImage.aspx?image=/data/Books/1057/p9780071798938-ch024_f017.png&sec=59793422&BookID=1057&ChapterSecID=59789160&imagename= Accessed: October 14, 2017 Copyright © 2017 McGraw-Hill Education. All rights reserved