ivf_man_woman• Low sperm count

• High percent of abnormally shaped sperm

• High percent of sperm that are not moving forward

• Ejaculation dysfunction

Sperm production can be affected by blocked passageways, fevers, infections, or birth defects.

 

 

Other factors that can contribute to infertility include stress, smoking, alcohol use, illicit drug use, very low weight, excess weight and overall health.  Other concerns include chronic illness such as diabetes or auto-immune diseases, thrombophilia issues.