Overview
These antibodies could pass back through the placenta and harm the fetus' red blood cells, causing mild to serious anemia in the fetus.
Review Date 2/16/2017
Updated by: Neil K. Kaneshiro, MD, MHA, Clinical Assistant Professor of Pediatrics, University of Washington School of Medicine, Seattle, WA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.