if you are rh-negative your red blood cells do not have a marker called rh factor on them. rh-positive blood does have this marker. if your blood mixes with rh-positive blood your immune system will react to the rh factor by making antibodies to destroy it. this immune system response is called rh sensitization. webmd medical reference from healthwise this information is not intended to replace the advice of a doctor. healthwise disclaims any liability for the decisions you make based on this information. © 1995-2011 healthwise incorporated. healthwise healthwise for every health decision and the healthwise logo are trademarks of healthwise incorporated.
what is rh sensitization during pregnancy?