title: Levels of C-peptide in second-trimester amniotic fluid.
mesh_terms: D000653:Amniotic Fluid / Q000032:analysis*; D001724:Birth Weight; D002096:C-Peptide / Q000032:analysis*; D005260:Female; D006801:Humans; D007230:Infant, Low Birth Weight; D007231:Infant, Newborn; D010455:Peptides / Q000032:analysis*; D011247:Pregnancy; D011262:Pregnancy Trimester, Second
chemical_list: D002096:C-Peptide; D010455:Peptides