The relative abundance in transcripts of few TH2B associated genes- CREM, CDYL, PRKAG2, CATSPERB, TSGA10 and TSSK1B was studied in sperm of fertile and infertile men with asthenozoospermia-, oligozoospermia- or oligoasthenozoospermia. Here, H2BC1 is linked to Reduced sperm motility.