Study of folic acid and vitamin B12 in blood and urine during normal pregnancy.
D001669:Biochemical Phenomena; D001826:Body Fluids; D045728:Corrinoids; D005260:Female; D005492:Folic Acid / Q000378:metabolism*; D006397:Hematinics; D006801:Humans; D011247:Pregnancy / Q000378:metabolism; D014805:Vitamin B 12 / Q000378:metabolism*
D045728:Corrinoids; D006397:Hematinics; D005492:Folic Acid; D014805:Vitamin B 12
FOLIC ACID/metabolism; PREGNANCY/metabolism; VITAMIN B12/metabolism