title: Prenatal diagnosis. Chorionic villus biopsy.
abstract: Of all the methods of prenatal diagnosis the implications of chorionic villus biopsy are the most far-reaching and potentially controversial. DNA analysis of the fetus is now possible at the end of the first trimester and it can only be a matter of time before our knowledge of genetic disease markers makes the perfect race a feasibility.
mesh_terms: D001706:Biopsy / Q000009:adverse effects / Q000295:instrumentation; D002824:Chorionic Villi / Q000032:analysis / Q000473:pathology*; D004247:DNA / Q000032:analysis; D005260:Female; D030342:Genetic Diseases, Inborn / Q000175:diagnosis*; D005865:Gestational Age; D006801:Humans; D007621:Karyotyping; D010920:Placenta / Q000473:pathology*; D011247:Pregnancy; D011296:Prenatal Diagnosis
chemical_list: D004247:DNA