Which of the following potentially represents the most dangerous situation?

* Rh-ve mother with 2nd Rh+ve child can result in the development of hemolytic disease of newborn or erythroblastosis fetalis. So, it is a dangerous condition. * This condition is a type II hypersensitivity reaction. * This is Not to be confused with Hemorrhagic disease of the newborn which is a coagulation disturbance in the newborns due to vitamin K deficiency. As a consequence of vitamin K deficiency there is an impaired production of coagulation factors II, VII, IX, X, C and S by the liver.