In this case, there is a 50% chance of the child being RH positive. So we have 1250 percent and 50% of the child being RH negative. But in this case, it's 100% likelihood that the child will be R H positive. So let's assume for the time being that the fetus that is produced is actually R H positive. And that means that inside the fetus, inside the blood of the fetus the fetus will have red blood cells that contain the antigen D on the membrane of those red blood cells. The question is how will this actually affect that pregnancy and how will it affect any future pregnancy that the woman may have?