Oligospermia or Oligozoospermia is characterize as a male fertility issue having low sperm count.
Sperm count in your ejaculate can vary throughout your life. A healthy sperm amount is often necessary for fertility. The World Health Organization (WHO) classifies sperm counts at or above 15 million sperm per milliliter (mL) of semen as average. Anything below that is considered low and is diagnosed as oligospermia.

• Mild oligospermia is 10 to 15 million sperm/mL.
  • Moderate oligospermia is considered 5 to 10 million sperm/mL.
  • Severe oligospermia is diagnosed when sperm counts fall between 0 and 5 million sperm/mL.
  Most couples with male factor infertility are treated with assisted reproduction technology, these couples can have child with their own sperms with the help ofIUI (Intra- Uterine Insemination)if the sperm count is more than 10 mill/mL & IVF-ICSI (In- Vitro Fertilization- Intra- Cytoplasmic Sperm Injection) if the sperm count is between 0-10 mill/mL.
• Treatment will be depends on the conditions of the female partner.