Sperm fragmentation rate should be called the correct name of the sperm DNA fragmentation rate, the normal range should be <20%, 20%-30% is a critical state, if more than 30%, is generally considered to be too high DNA fragmentation rate. Sperm fragmentation rate can determine the quality of sperm, if you can have a normal sex life, pregnancy within a year of preparation is normal, if the preparation for more than a year without pregnancy, need to be further examined to determine whether there is genitourinary inflammation, whether long-term exposure to chemicals, all varicose veins and other diseases. There are dysfunctions, you should go to the regular hospital as soon as possible to check, follow the doctor’s advice to take appropriate treatment measures.