Amniotic fluid cell culture chromosome examination

Diseases caused by mutations in the number, shape, structure, and combination of chromosomes during pregnancy due to harmful chemicals, X-ray exposure, environmental factors, advanced pregnancy, and close marriage. Chromosome examination of amniotic fluid cells has great specific significance for prenatal diagnosis of chromosomal diseases. Women who give birth after 35 years of age, have had abnormal fetuses, have repeated miscarriages, are married to close relatives in the family, or have a family history of congenital diseases such as hemophilia or leukemia. Women are usually antenatally evaluated at 16-18 weeks do.