Low sperm count, also known as oligospermia, is one of the most common causes of infertility in men. According to the World Health Organization (WHO), oligospermia occurs when your sperm count is less than 15 million per millilitre. For comparison, normal sperm counts range from 15 million to more than 200 million sperms per millilitre of semen!
Causes of low sperm count
There are numerous causes of low sperm count, ranging from environmental factors to lifestyle factors to medical causes. Here are a few of the most common causes of low sperm count every man should be aware of.