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)>1.5
Sperm concentration (106 /mL)>15.0
Total sperm number (106/ejaculate)20.819.69.01.4>39.0
Motility (%)>32.0
Progressive motility (%)>40.0
  • *The normal values of semen parameters were according to the WHO (2010) manual criteria. Semen analyses were performed twice for each subject.