Patient's question:
My husband had a semen analysis, and the sperm count is slightly low, but the motility is too poor. The doctor said it's asthenozoospermia.Doctor's answer:
Hello: In asthenozoospermia, sperm lack the strength to move forward, making it difficult for them to penetrate the cervical canal, uterine cavity, and reach the fallopian tubes to fertilize the egg, thus leading to impaired fertility. Common causes of asthenozoospermia include: 1. Incomplete maturation or damage to the spermatogenic epithelium in the testes, resulting in poor sperm quality and weak motility; 2. Low seminal fluid volume; 3. Variations in seminal plasma, such as when the epididymis, seminal vesicles, or prostate are inflamed, the pH, oxygen supply, nutrition, and metabolic processes may favor sperm movement and survival. If anti-sperm antibodies are present, they can cause sperm agglutination, thereby reducing their motility.