title: Transabdominal versus transcervical routes for chorionic villus sampling.
mesh_terms: D000005:Abdomen; D001707:Biopsy, Needle / Q000379:methods*; D002584:Cervix Uteri; D002824:Chorionic Villi / Q000473:pathology*; D005260:Female; D006801:Humans; D011247:Pregnancy