From: MTHFR gene polymorphism and associated nutritional deficiency in the etiology and pathogenesis of Down syndrome
Serum
CM
DSM
Normal range
Vitamin B12
379.7 ± 31.18
176.9 ± 19.77***
250–1100 pg/ml
Folic acid
6.09 ± 1.120
2.811 ± 0.2746**
3.1–20.5 ng/ml
Homocysteine
15.58 ± 1.583
26.45 ± 2.643**
< 15.00 μmol/l