[Quality assurance of chromosome examinations in the samples of amniotic fluid and placenta. A 6-year follow-up: no sign of analytic errors in 6384 samples]

MeSH terms

• Amniocentesis / standards
• Chromosome Aberrations / diagnosis
• Chromosome Aberrations / genetics
• Chromosome Disorders
• Female
• Follow-Up Studies
• Genetic Techniques / standards*
• Humans
• Placenta
• Pregnancy
• Prenatal Diagnosis / standards*
• Quality Assurance, Health Care
• Specimen Handling / standards