title: Alpha-fetoprotein (AFP) levels in maternal serum and amniotic fluid in singleton pregnant women in their 10th-25th week post last menstrual period.
mesh_terms: D000653:Amniotic Fluid / Q000032:analysis*; D005260:Female; D006801:Humans; D011247:Pregnancy; D011262:Pregnancy Trimester, Second; D012016:Reference Values; D000509:alpha-Fetoproteins / Q000032:analysis
chemical_list: D000509:alpha-Fetoproteins