Abstract Background To evaluate whether there was a difference in outcome between pulsatile gonadotropin releasing hormone (GnRH) therapy and human chorionic gonadotropin/human menopausal gonadotropin (hCG/HMG) therapy for induction of spermatogenesis in post-pubertal male patients with congenital hypogonadotropic hypogonadism (CHH). Methods This was a single-center retrospective coho... https://tonerparts.shop/product-category/laser-unit/