6 recruiting studies matching your filters
The purpose of this research study is to evaluate if special types of cells called round spermatids can be gathered from men with non-obstructive azoospermia a…
Spermatogonial stem cell transplantation through ultrasound guided rete testis injection and testicular tissue grafting will be performed for participants who …
This study aims to develop preimplantation genetic testing methods from embryo culture media (cell free). Genetic testing of culture media will be compared to …
Purpose: This clinical trial aims to explore the potential for human sperm production in vitro by sustaining a laboratory-cultured adult testicular environmen…
This is a study of infertility which often occurs in men with spinal cord injury. Most men with spinal cord injury have a normal sperm count but abnormally low…
Male factor infertility is a leading cause of primary and secondary infertility. Poor sperm quality is defined as having an abnormal semen analysis. There are…