Table 3.

Statistical analysis of the semen parameters

Proband	First ejaculate	Second ejaculate	Reference value
Volume (ml)	2.6	2.7	≥ 2
Concentration (× 106/ml)	0.6	1.3	≥ 20
Motility a + b (%)	0	0	≥ 50
Percentages of different morphologic spermatozoa(%)
Normally formed	1	1	≥ 23%
Abnormal head–tail junction	0.2	0.1	/
Decaudated	0.7	1	/
Acephalic	98.1	98.9	/