A neonate born to an Rh-negative mother and an Rh-positive father is at risk for transient neonatal alloimmunity. Explain the mechanism underlying this phenomenon.

Fetal antibodies against maternal Rh antigens

Maternal antibodies against fetal Rh antigens

Fetal T-cell activation against maternal Rh antigens

Maternal T-cell activation against fetal Rh antigens