What Increases a Man’s Risk of Infertility?

A man’s overall health and lifestyle can affect his sperm quality and quantity. Factors that may reduce the number of sperm or the quality of sperm he produces include:

  • age
  • illegal, or street, drugs
  • certain over-the-counter medicines
  • heavy or frequent alcohol use
  • cigarette smoking
  • environmental toxins, including pesticides, lead, and pollution
  • chemotherapy or radiation treatments (for cancer)
  • health problems, such as high blood pressure, diabetes, kidney disease, or hormone problems

What Increases a Woman’s Risk of Infertility?

Anovulation and infertility in women can be caused by a number of factors, which include:

  • age
  • illegal, or street, drugs
  • certain over-the-counter medicines
  • heavy or frequent alcohol use
  • cigarette smoking
  • stress and fatigue
  • athletic training (such as marathon or weight-lifting training)
  • sexually transmitted infections
  • health problems, such as high blood pressure and diabetes
  • hormonal problems, such as polycystic ovarian syndrome and primary ovarian insufficiency