Whether or not low sperm concentration will make your spouse pregnant should be analyzed according to the degree of low sperm concentration, as follows: 1. The degree is heavier: the chances of your spouse getting pregnant are lower; 2. The degree is lower: the probability of your spouse getting pregnant is higher. In addition, whether the spouse can get pregnant, in addition to sperm concentration, sperm vitality and deformity rate, survival rate and so on are indicators that need to be viewed, need to be comprehensive judgment, the decline in sperm quality, it is recommended to go to the regular hospital for a detailed examination, to clarify the cause of the disease, and then to take targeted measures, such as the application of proprietary Chinese medicines to improve the quality of sperm, and so on.