Table 1

Semen characteristics in men with homozygous DZIP1 mutations

Semen parameters*Human subjectNormal value of WHO criteria
A029 iv-1A033 iv-1
Test 1Test 2Test 1Test 2
Semen volume (mL)6.57.01.72.0>1.5
Sperm concentration (106 /mL)3.22.85.30.7>15.0
Total sperm number (106/ejaculate)20.819.69.01.4>39.0
Motility (%)0.00.02.10.0>32.0
Progressive motility (%)0.00.00.00.0>40.0
  • *The normal values of semen parameters were according to the WHO (2010) manual criteria. Semen analyses were performed twice for each subject.