An interesting ultrasonic observation following chorionic villus sampling.
D001706:Biopsy; D002823:Chorion / Q000473:pathology; D002824:Chorionic Villi; D005260:Female; D005313:Fetal Death / Q000209:etiology*; D006801:Humans; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D011296:Prenatal Diagnosis / Q000379:methods*; D014463:Ultrasonography