title: Prenatal diagnosis of chromosomal and enzymatic defects.
abstract: Second trimester amniocentesis is a valuable procedure to detect chromosomal and enzymatic defects. A brief review of the current literature and the author's experience is presented.
mesh_terms: D000022:Abortion, Spontaneous / Q000209:etiology; D000328:Adult; D000649:Amniocentesis / Q000009:adverse effects; D004314:Down Syndrome / Q000175:diagnosis; D005260:Female; D005315:Fetal Diseases / Q000175:diagnosis*; D006801:Humans; D008661:Metabolism, Inborn Errors / Q000175:diagnosis*; D011247:Pregnancy; D011262:Pregnancy Trimester, Second