Answer
Yes. Testosterone replacement can reversibly reduce sperm production, so discuss fertility plans before treatment.
Sources for this answer
- Testosterone undecanoate 1000 mg/4 ml solution for injection — Current selected SmPCemc · Summary of Product Characteristics
- UK Teratology Information ServiceUK Teratology Information Service · Reputable Web
General medicine information. Follow the instructions for your own medicine and speak to a pharmacist or clinician about your individual circumstances.