Most of the patients with preeclampsia tested for all three gene polymorphisms (MTR A2756G, MTRR A66G, and MTHFR C677T) belonged to the age group of 30–34—27%, followed by patients of 35–39 age group—22%, and 24–29-year-old patients—20% (Table 3). Here, MTHFR is linked to preeclampsia.