Vitamin-B12 deficiency in pregnancy and the puerperium.
D005260:Female; D006801:Humans; D049590:Postpartum Period / Q000150:complications*; D011247:Pregnancy; D011248:Pregnancy Complications; D014806:Vitamin B 12 Deficiency; D014815:Vitamins
D014815:Vitamins
PREGNANCY/complications; PUERPERIUM/complications; VITAMIN B 12 DEFICIENCY/in pregnancy