@eatrix Hello, Male infertility can be caused by low sperm production, abnormal sperm function, or blockages that prevent the delivery of sperm. Illnesses, injuries, chronic health problems, lifestyle choices, and other factors may contribute to male infertility. Problems with male fertility can be caused by a number of health issues. Infection, Ejaculation issues, Antibodies that attack sperm, Tumors, Hormone imbalances, Celiac disease, and Overexposure to certain environmental elements such as heat, toxins, and chemicals can reduce sperm production or sperm function. Some other causes of male infertility include Drug use, Alcohol use, Tobacco smoking, and Weight.