[Iron folic acid and B12 in pregnant women].
D000740:Anemia / Q000097:blood; D005260:Female; D005492:Folic Acid / Q000097:blood*; D006801:Humans; D007501:Iron / Q000097:blood*; D011247:Pregnancy; D011250:Pregnancy Complications, Hematologic / Q000097:blood; D012256:Riboflavin / Q000097:blood*
D005492:Folic Acid; D007501:Iron; D012256:Riboflavin