<prompt> 15 million spermml of semen with total 15 motile sperm signifiesAspermiaAsthenozoospermiaOligozoospermiaOligoasthenozoospermia  <response>: Aspermia - Lack of secretion or expulsion of semen following ejaculation.Asthenozoospermia - Loss or reduction of mobility of sperms, frequently associated with infeility. Oligozoospermia - low spermatozoon countOligoasthenozoospermia is a combination of:Asthenozoospermia reduced sperm motilityOligozoospermia low spermatozoon countRef: Ganong;s review of medical physiology;24th edition; page no:-427 