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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.

Year introduced: 1975

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Tree Number(s): C12.100.500.430.508, C12.100.750.700.508, C12.200.294.430.508

MeSH Unique ID: D009845

Entry Terms:

  • Hypospermatogenesis
  • Hypospermatogeneses
  • Low Sperm Count
  • Low Sperm Counts
  • Sperm Count, Low
  • Sperm Counts, Low
  • Oligoasthenoteratozoospermia
  • Oligoasthenoteratozoospermias
  • Oligozoospermia
  • Cryptozoospermia
  • Cryptozoospermias
  • Cryptospermia
  • Cryptospermias

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