If the male sperm malformation rate reaches 98%, the probability is very high. The chance of successful pregnancy is very, very low if the malformation rate is high, and even if the pregnancy is achieved by luck, the chance of fetal problems will be higher. Therefore, if a man has a very high sperm malformation rate, it is advisable to go for conditioning and treatment first and wait until the sperm malformation rate is qualified before preparing for pregnancy. The main reason for abnormal sperm morphology may be related to infection of reproductive organs, such as prostatitis, urethritis, etc. Varicocele of the testicles can also cause abnormal sperm morphology. The external factors that cause sperm malformation include endocrine disorders in the body, irregularities in work and rest schedules and life, and bad habits, as well as long-term exposure to polluted environments and environmental radiation.