Problems with any of these systems can affect sperm production. Also, there can be problems of abnormal sperm shape (morphology).
Male infertility is due to low sperm production, abnormal sperm chronic health problems, lifestyle choices and other factors can play a role in.
Sperm count is a key factor in fertility. Overall, factors that influence testosterone levels are thought to have the most significant impact on.
Find out about the causes of a low sperm count, how to get tested, and what the as fertility problems can affect men and women and often it's a combination of.