分析门诊咨询病例１０００例外周血淋巴细胞染色体，发现异常核型１１１例，占１１．１％。常染色体异常８１例，其中数目异常７５例，结构异常６例；性染色体数目异常３０例。就诊原因以妊娠胎儿丢失为主３９．２％，其次为智力低下及发育异常２０．０％，再其次为生殖器异常（包括少精、无精）８．２％，不孕的１．１％。 Analysis of outpatient consultation cases of 1000 cases of peripheral blood lymphocyte chromosomes, 111 cases found abnormal karyotype, accounting for 11.1%. There were 81 autosomal abnormalities, of which 75 were abnormal, 6 were abnormal, and 30 were abnormal. The reasons for the treatment were fetus loss of pregnancy was 39.2%, followed by mental retardation and developmental abnormalities 20.0%, followed by genital abnormalities (including less fine, azoospermia) 8.2%, infertility 1.1% .