Low sperm motility

Introduction Sperm vitality is a comprehensive assessment of the quantity and quality of sperm, including the number of normal active sperm in semen, ie sperm motility, and the quality of normal active sperm, ie sperm motility. The method of diagnosis of sperm motility is not yet unified, but it tends to a five-level classification. The content is: level 0 is no vitality. Level 1 is poorly vibrating, indicating that the sperm moves or moves in place only. Level 2 is medium in vitality, indicating that the sperm swims straight ahead but is not active. Level 3 is good for vitality, indicating good sperm motility, and level 4 is very active, indicating that the sperm is actively moving forward in a straight line. Sperm hypoactivity refers to sperm motility below level 2, and the number of active spermatozoa is less than 50%.

Cause

Caused by low sperm motility, urogenital infection, mumps complicated with orchitis, epididymal tuberculosis, varicocele, etc., these diseases can affect the quality of sperm. The use of hormones or certain chemical drugs, such as anticancer drugs, reserpine, malilan, furans, etc., can make sperm development immature; gonads are exposed to radiation, can cause sperm mutation; scrotum local long-term high fever, long-term alcohol abuse, Can reduce sperm motility.

an examination

Related inspection

Sperm activity check sperm motility

1. Physical examination: no obvious abnormal signs, local varicocele may be swollen or tender, with prostatitis may have tenderness and nodules.

2. Physical and chemical examination: The number of sperm deformities under the microscope exceeds 20% of the normal value.

3. Diagnostic points: Anyone who has more than 20% of sperm abnormalities under the microscope can be diagnosed as abnormal spermatozoa (or abnormal spermatosis) by using the semen routine (automatic computer analyzer). This disease often occurs in combination with prostatitis and seminal vesiculitis.

Differential diagnosis

The disease should be differentiated from sperm survival and death syndrome. The decrease in sperm survival rate is indicative of an increase in the number of dead spermatozoa. Like dead sperm, it focuses on the survival of sperm, and this disease is a focus on the ability of sperm to move and exercise, and the two cannot be confused.

The diagnosis of this disease is based on the number of normal sports sperm in semen and abnormal sperm motility. Any sperm with a sperm motility rate below 50% and sperm motility below 2 can be diagnosed as the disease.

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