title: New techniques for prenatal diagnosis: their safety, accuracy, and use.
mesh_terms: D000328:Adult; D000649:Amniocentesis; D003237:Connecticut; D005260:Female; D005332:Fetoscopy; D006801:Humans; D007621:Karyotyping; D008875:Middle Aged; D011247:Pregnancy; D011296:Prenatal Diagnosis / Q000379:methods*; D014463:Ultrasonography