What are the typical laboratory findings in a pregnant woman taking iron supplements who presents with low hematocrit, low mean corpuscular volume (MCV) , low iron levels, and normal ferritin levels?
a) Low hematocrit, low mean corpuscular volume (MCV) , low iron, normal ferritin
b) High hematocrit, high mean corpuscular volume (MCV) , high iron, low ferritin
c) Low hematocrit, high mean corpuscular volume (MCV) , normal iron, high ferritin
d) High hematocrit, low mean corpuscular volume (MCV) , low iron, normal ferritin