Echogenic amniotic fluid in the second trimester: a new sign of fetal distress.
D000328:Adult; D000653:Amniotic Fluid; D005260:Female; D005316:Fetal Distress / Q000175:diagnosis*; D006801:Humans; D008297:Male; D011247:Pregnancy; D011262:Pregnancy Trimester, Second; D014463:Ultrasonography