title: The relationship between serum beta 1-glycoprotein and alpha-fetoprotein levels in the second trimester and birth weight.
mesh_terms: D001724:Birth Weight; D005260:Female; D005317:Fetal Growth Retardation / Q000175:diagnosis; D006801:Humans; D007230:Infant, Low Birth Weight; D007231:Infant, Newborn; D011247:Pregnancy; D011257:Pregnancy Proteins / Q000032:analysis*; D011262:Pregnancy Trimester, Second; D011268:Pregnancy-Specific beta 1-Glycoproteins / Q000032:analysis*; D000509:alpha-Fetoproteins / Q000032:analysis*
chemical_list: D011257:Pregnancy Proteins; D011268:Pregnancy-Specific beta 1-Glycoproteins; D000509:alpha-Fetoproteins