The sperm viability rate of 50% should be seen in conjunction with other indicators of semen. The sperm viability rate of 50% alone is not much of a reference value, and should be combined with other indicators. Generally speaking, varicocele is a problem that affects male semen. The actual fact is that you can find a lot of people who are not able to get a good deal on a lot of things. There is also prostatitis which can also have an effect on semen, and if there is prostatitis, it should be given the appropriate treatment. The actual sperm survival rate of 50% alone will have an effect on conception, but not particularly. The above questions are for reference only, the specific medication, treatment, please take the doctor face-to-face guidance shall prevail.