title: Vitamin B6 nutrition in women with hyperemesis gravidarum during the first trimester of pregnancy.
mesh_terms: D005260:Female; D006801:Humans; D006939:Hyperemesis Gravidarum / Q000188:drug therapy*; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D011263:Pregnancy Trimester, Third; D011732:Pyridoxal Phosphate / Q000097:blood; D011736:Pyridoxine / Q000008:administration & dosage / Q000627:therapeutic use*
chemical_list: D011732:Pyridoxal Phosphate; D011736:Pyridoxine