oligospermia

Introduction

Few living spermatozoa in the semen.

Genetics

• chromosomal deletions in chromosome Yq11.23 region, including the DAZ genes (DAZ, DAZ2, DAZ4), are a cause of azoospermia or oligospermia
• defects in DAZL may be a cause of oligospermia or azoospermia

More general terms

• sign/symptom

More specific terms

• idiopathic oligospermia

Additional terms

• azoospermia
• semen
• spermatogenesis
• spermatozoa