Infertility

Male Infertility

Causes:

• production of semen containing a large number of abnormal sperm, e.g. structural changes or they may not be able to swim properly;
• the production of semen containing very few sperm cells (a low sperm count).  This can be caused by many factors, including...
  • blockage of the vasa deferentia (the tube along which the sperm are carried towards the urethra), e.g. due to injury or disease.  This can…