[An association study between gene polymorphism of the key enzyme's folacin metabolism pathway and plasmatic homocysteine levels in fertile woman].

Objective: The effect of the gene polymorphism for the key enzyme's folacin metabolism pathway on plasmatic homocysteine (Hcy) levels in fertile woman was observed.

Methods: The subjects were from Shaoxing City, Jiangsu province in 2012, the selection criteria for the women of childbearing age were between 20-45 years old, with an average age of 28.2 (95%CI:27.