This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pediatrics
Transplacental crossing is not seen in - 
Select and explain. 
A. Iso immune haemolytic anemia, B. Rh-haemolytic anemia, C. Toxoplasmosis, D. Toxic erythema
D: Toxic erythema
Answer: D: Toxic erythema 
Explanation: Ans. is 'd' i.e., Toxic erythma o Toxic erythma is a normal finding in newborn. o In Rh incompatibility and ABO incompatibility antibodies can cross placenta and cause erythroblastosis fetalis. o Toxoplasmosis can cross placenta.