[Changes in the serum levels of folic acid and vitamin B12 at the end of pregnancy].
D005260:Female; D005492:Folic Acid / Q000097:blood*; D005494:Folic Acid Deficiency / Q000097:blood; D006801:Humans; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D011263:Pregnancy Trimester, Third; D014805:Vitamin B 12 / Q000097:blood*; D014806:Vitamin B 12 Deficiency / Q000097:blood
D005492:Folic Acid; D014805:Vitamin B 12
Promeni v serumnoto nivo na folievata kiselina i vit. B12 v kraia na bremennostta.