73 cases of primary amenorrhea etiology cytogenetic.

Objective: Xiamen patients with primary amenorrhea and the main features of cytogenetic abnormalities of the sex chromosomes influence gonad development.Methods: 73 patients with primary amenorrhea patients after routine gynecological examination,B-and endocrine function tests,the use of peripheral blood lymphocyte culture for cytogenetic analysis.Results: Of 73 cases detected in patients with primary amenorrhea,normal karyotype of chromosome 52 cases,accounting for 71.2%,abnormal karyotypes in 21 cases,28.8%,including the number of sex chromosomes,structural abnormalities,and chimeras.Conclusion: Chromosomal abnormalities are the main causes of primary amenorrhea,and amenorrhea in patients with chromosome,a clear cause amenorrhea,early symptomatic treatment is important.