Objective To investigate the effect of gonad of male recipient on development of neonatal ovary allograft and its oocytes.Methods The ovaries from one-day-old mice were transplanted underneath the kidney capsule of male recipient with or without gonad.The ovarian grafts were collected at 21 days after transplantation and examined by histopathology.Results It was found that the ovarian grafts increased in size,the recovery rate and average number of oocytes collected from each graft in both groups were 92.9%...