The permeability of the human placenta to macro-molecules is evidenced by the presence of following in foetal blood [AIIMS 1985]

The permeability of the human placenta to macro-molecules is evidenced

1.	The permeability of the human placenta to macro-molecules is evidenced by the presence of following in foetal blood [AIIMS 1985]
A.	Globulin
B.	Albumin
C.	Anti Rh factor
D.	None of the above
Answer» D. None of the above