Oligospermia

**Definition:** A condition of suboptimal concentration of SPERMATOZOA in the ejaculated SEMEN to ensure successful FERTILIZATION of an OVUM. In humans, oligospermia is defined as a sperm count below 20 million per milliliter semen.

**Tree numbers:** - C12.100.500.430.508 - C12.100.750.700.508 - C12.200.294.430.508

**Synonyms:** - Oligoasthenoteratozoospermia - Oligozoospermia - Low Sperm Count - Hypospermatogenesis