Testicular cancer commonly affects young men who have not had the chance to start a family. Because of this, questions about post-treatment fertility are very common. Since treatment involves removing the affected testicle, fertility will be impaired afterwards. Thankfully, however, total infertility is rare. Additionally, several options exist for men with impaired fertility that help them start families. If you or your loved one has been diagnosed with testicular cancer, here are five things you need to know about how it impacts fertility.