Does masturbation affect sperm quality?

No. It doesn't affect quality. If one masturbates frequently, it can potentially decrease the sperm quantity.

Related Questions

Could excessive masturbation during youth affect sperm count in future?

No. That's just one more untruth, and whoever told you this is somebody that you should not trust. Learning about your body is an important task for a teen and one that should not carry a burden of unnecessary fear. It becomes "excessive" only when you are missing class, ball games, or opportunities to perhaps meet that special person. If this is the case, chat with your physician or a wise adult. Read more...