title: Non-optimal maturation of the oocyte, maternal MTHFR polymorphisms, periconceptional folate, and decrease of congenital heart defects.
authors.forename: Piet Hein
authors.initials: PH
authors.lastname: Jongbloet
mesh_terms: D019587:Dietary Supplements; D005492:Folic Acid / Q000008:administration & dosage; D005494:Folic Acid Deficiency / Q000178:diet therapy; D006330:Heart Defects, Congenital / Q000235:genetics*; D006579:Heterozygote; D006720:Homozygote; D006801:Humans; D042965:Methylenetetrahydrofolate Reductase (NADPH2) / Q000235:genetics*; D009865:Oocytes / Q000502:physiology*; D011110:Polymorphism, Genetic; D016742:Preconception Care
chemical_list: D005492:Folic Acid; D042965:Methylenetetrahydrofolate Reductase (NADPH2)