Serum alpha-fetoprotein screening and risk of amniocentesis.
D000022:Abortion, Spontaneous / Q000453:epidemiology / Q000209:etiology; D000649:Amniocentesis / Q000009:adverse effects*; D005260:Female; D005313:Fetal Death / Q000453:epidemiology / Q000209:etiology; D006801:Humans; D011247:Pregnancy; D012306:Risk; D000509:alpha-Fetoproteins / Q000032:analysis*
D000509:alpha-Fetoproteins