Hello, your sperm test shows that 4% of A-level sperm and 48% of B-level sperm are normal. Your condition is considered as a normal sperm condition. It is recommended to rest properly at ordinary times, and it is not advisable to overwork and stay up late to catch a cold. It is not advisable to wear tight underwear. Perineal temperature should not be too high. Eating more foods containing phospholipids is helpful for sperm production.