Causes of male infertility
- Low sperm count: Adequate number of normal sperm is required. Insufficient sperm may lower the chance of conception.
- Low sperm motility
- Abnormal sperm morphology
- Occlusion of the vas deferens
- Absence of sperm
- Varicocele
- Functional abnormality of the testis
- Sexual dysfunction
Diagnosis
- Semen Analysis
- Past medical history including mumps, medication, surgery and alcohol intake
- Examination of the genitals
- Hormone assay
- Testicular biopsy
- Chromosome analysis
| Normal semen analysis |
| Volume | at least 2 ml |
| Density | 20 million/ml |
| Motility | 50% |
| Morphology | at least 15% normal forms |