spermatogenic failure 37

A spermatogenic failure characterized by multiple morphologic abnormalities of the flagella, asthenoteratozoospermia, and infertility that has_material_basis_in homozygous or compound heterozygous mutation in the TTC21A gene on chromosome 3p22.2.

Signs and symptoms

• Irregularly shaped sperm tail
• Coiled sperm flagella
• Male infertility
• Reduced sperm motility
• Absent sperm flagella
• Short sperm flagella

Also known as: SPGF37