Increased amniotic alphafetoprotein due to a haloacardium amorphous twin.
D009008:Abnormalities, Severe Teratoid; D000328:Adult; D000653:Amniotic Fluid / Q000032:analysis*; D005260:Female; D006801:Humans; D011247:Pregnancy; D011248:Pregnancy Complications / Q000175:diagnosis*; D014427:Twins; D000509:alpha-Fetoproteins / Q000032:analysis*
D000509:alpha-Fetoproteins