title: Chorion villus biopsy.
mesh_terms: D001706:Biopsy / Q000009:adverse effects / Q000379:methods; D002824:Chorionic Villi / Q000473:pathology*; D005260:Female; D005315:Fetal Diseases / Q000473:pathology*; D006801:Humans; D011247:Pregnancy; D011296:Prenatal Diagnosis / Q000379:methods*; D013048:Specimen Handling / Q000379:methods; D013997:Time Factors