<prompt> Which is a not an essential criteria according to WHO for normal semen analysisSperm count 20 millionmlVolume 1 mlSperm with normal morphology strict criteria 15Motility 25 with rapidly progressive motility  <response>: Volume 1 ml THE W.H.O. RECOMMENDS THE FOLLOWING NORMAL VALUES Volume Sperm Total sperm number Percent mobility Forward progression Normal morphology Round cells Sperm agglutination 2 ml concentration 20 million ml or more 40 millionejaculate 50 with forward progression 25 with rapid linear progression 2 scale 0-4 30 normal W.H.O. criteria 14 normal Kruger and strict criteria 5 millionrnl 2 scale 0-3,w.b.c fewer than I x106 ml The normal sperm morphology is currently being reassessed by W.H.O In the interim the propoion of normal forms accepted by the laboratories in the U.K is either the earlier W.H.O limits of 30 or 15 based on strict morphological criteria. 