22’3}.33}:; }Total | Normal| Variation iin 1300 spermsi value i in 13 I inumber |average i (Blom) | ejaculates Primary sperm abnormalities i E % i i min% max% Pyriform head 63 0.48 0.434 0.3 0.7 Tapering head T2 0.55 0.252 o.0 1l.1 Narrow head 27 0.21 0.262 0.0 0.4 Dwarf head 1T 0.13 0.606 0.0 0.4 Giant head 4 0.03 0.072 0.0 0.2 Short thick head 31 0.24 0.132 0.0 0.4 Other abnormal heads 28 0.21 0.260 0.0 0.7 Loose, abnormal heads 1 0.13 0.502 0.0 0.3 Sundry abortive forms 18 0.14 0.31lo 0.0 0.5 Norm. heads with highly coiled tail 79 0.61 0.958 5 2Nl Double forms i} 0.0l 0.384 0.0 0.1 Abaxially attached middle piece 4o 0.31 0.108 0.0 0.6 Middle piece defects 14 o.11 0.270 0.0 0.5 Total primary abnormalities 411 3.16 4.65 Secundary sperm abnormalities ! ! ! : Loose, normal heads 201 1.55 2.1 0.8 2.6 Sperm with proximal droplet 127 0.98 0.15 Oail 2.5 Sperm with distal droplet 845 6.50 0.62 0.2 32.6 Bent tail 1082 8.32 4.0l 2251221 Detachment of galea capitis 93 0.72 3 0.2 1.8 Total secondary abnormalities 2348 18.06 - 886