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Case Two

This patient is a 21 year-old, 30-week pregnant female with a history of mild anemia prior to pregnancy. Her anemia has now gotten worse and so her physician is pursuing additional work up.

Test Name	Value	Normal	Units
WBC	9.8	4.5-11.5	x10^3/uL
RBC	3.2	4.5-6.0	x10^6/uL
HGB	8.5	12-16	g/dL
HCT	25.3	36-48	%
MCV	72.4	80-98	fL
RDW	15.6	11.5-14.5	%
Platelets	237	140-400	x10^6/uL
Reticulocytes	5.5	0.5-1.5	%
ESR	43	< 20	mm/h
Ferritin	67	15-150	ng/mL
B12	427	160-950	pg/mL
Folate	16.1	5-20	ng/mL
Free T4	1.0	0.9-2.3	ng/dLU