List of what causes infertility and conditions for which infertility symptoms are related. If you want to know, "Why do I have infertility?" consider that infertility can be caused by a number of illnesses. This is a list of diseases that infertility is a symptom of, including diseases associated with infertility. What diseases cause infertility? Endometriosis and Endometriosis are included on this list along with many more. This list of diseases with infertility as a symptom is in alphabetical order with images when available, though it can also be sorted. If you could say "I am experiencing infertility," please consult a physician.