Vitamin B12 in pregnancy and in the newborn.
D005260:Female; D005333:Fetus / Q000378:metabolism*; D006397:Hematinics; D006801:Humans; D007231:Infant, Newborn; D011247:Pregnancy; D014805:Vitamin B 12 / Q000378:metabolism*
D006397:Hematinics; D014805:Vitamin B 12
FETUS/metabolism; VITAMIN B12/metabolism