Where Does the Fetal Oxyhemoglobin Dissociation Curve Reside in Comparison

Where does the fetal oxyhemoglobin dissociation curve reside in comparison with the normal adult oxyhemoglobin dissociation curve?

A) The two curves have the same position and coincide with each other.
B) The adult oxyhemoglobin dissociation curve lies to the left of the fetal curve.
C) The fetal oxyhemoglobin dissociation curve lies to the left of the adult curve.
D) The fetal oxyhemoglobin dissociation curve lies to the right of the adult curve.