Department of Obstetrics and Gynecology Yangzhou University Yangzhou ChinaReproductive Medicine Center Department of Obstetrics and Gynecology Clinical Medical College Yangzhou University Northern Jiangsu People’s Hospital Yangzhou ChinaDepartment of Obstetrics and Gynecology Third Hospital Peking University Beijing China;
Department of Obstetrics and Gynecology Yangzhou University Yangzhou China;
Department of Obstetrics and Gynecology Yangzhou University Yangzhou China;
Obstetrics and Gynecology Hospital of Fudan University Shanghai China;
Department of Obstetrics and Gynecology Yangzhou University Yangzhou ChinaReproductive Medicine Center Department of Obstetrics and Gynecology Clinical Medical College Yangzhou University Northern Jiangsu People’s Hospital Yangzhou China;
Department of Obstetrics and Gynecology Yangzhou University Yangzhou China;
Department of Cell Biology National Research Institute of Family Planning Beijing China;
Department of Cell Biology National Research Institute of Family Planning Beijing China;
Department of Cell Biology National Research Institute of Family Planning Beijing China;
Male; Adolescents; First Spermatozoa; Puberty Development; Jiangsu; China;