Objective: To investigate the relationship between sterility, spontaneous abortion and abnormal chromosome karyotypes, and that would be help for clinical diagnose for hereditary disease.
目的探讨不孕不育及自发流产与染色体核型异常的关系，指导临床对这些疾病的诊断。
2
Objective: To investigate the relationship between gonad dysplasia and abnormal chromosome karyotypes.
前言：目的研究性腺发育异常与染色体异常的相关性。
3
To study the frequency of the abnormal chromosome, and to investigate the relationship between the indications of prenatal diagnosis and abnormalkaryotypes.