Why do you need to test for folic acid metabolism genes?

Folate metabolism gene testing, generally during pregnancy. Especially in early pregnancy, women need active folic acid supplementation, can promote fetal growth and development, but also to prevent abortion and premature birth. At this time, metabolic gene testing, can understand whether the metabolic capacity of pregnant women is normal. According to their own actual situation to adjust, not only need to supplement folic acid during pregnancy, but also need to supplement multivitamins, active iron and calcium supplements.