摘要
Dear Editor, Infertility is a major health problem affecting 10%-15% of couples seeking to have children, and a male factor can be identified in about half of these cases.1 Nonobstructive azoospermia is one of the causes of male infertility （10%）, resulting from testicular failure？ The most common histological patterns in these patients are hypospermatogenesis （HS）, maturation arrest （MA）, and Sertoli cell-only syndrome （SCO）.3
Dear Editor, Infertility is a major health problem affecting 10%-15% of couples seeking to have children, and a male factor can be identified in about half of these cases.1 Nonobstructive azoospermia is one of the causes of male infertility （10%）, resulting from testicular failure？ The most common histological patterns in these patients are hypospermatogenesis （HS）, maturation arrest （MA）, and Sertoli cell-only syndrome （SCO）.3
