关键词: 遗传咨询, 遗传

Abstract: Objective 7,925 cases of genetic counseling through the examination and analysis of chromosomes that chromosomal abnormalities on abortion, mental retardation, primary amenorrhea impact. Methods Deal with the seizure of a blood culture, the G-band-ing chromosome analysis. Results Chromosomal abnormalities were detected 221 cases of nuclear, abnormal rate of 2.78 percent.Of which 172 cases often chromosomal abnormalities, or 2.17 percent, 49 cases of chromosome abnormalities, or 0.62 percent, as experts have identified 13 species of the world's first nuclear reported. Conclusions Chromosomal abnor-malities cause spontaneous abortion,teratogenic,mental retardation,female primary amenorrhea an important reason.