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Term

Oligoasthenoteratozoospermia

What Is

Oligoasthenoteratozoospermia?

Oligoasthenoteratozoospermia (OAT) occurs when a man has:

  • A low sperm count (oligozoospermia)
  • Poor sperm motility or movement (asthenozoospermia)
  • Abnormal sperm shape or morphology (teratozoospermia)

With this condition, all variables on a semen analysis are subnormal. OAT is a common cause of male subfertility.

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