Immunogen sequence: PGSGPGHGSG SHPGPASGPG PDTGPDSELS PCIPPGFRNL VADRVPNYTS WSQHCPWEPQ KQPPWEFLQV LEPGARGLWK P Highest antigen sequence identity to the following orthologs: Mouse - 48%, Rat - 34%. The correlation of anti-sperm antibodies with cases of une