Various research has concluded that exposure to a variety of chemical toxins can cause infertility. Prolonged exposure to ethylene oxide, a chemical used to sterilize surgical instruments and in the production of certain pesticides. Over-exposure to substances found in chemical and material industries such as paper manufacturing. Women treated with chemotherapy become infertile.
Chemotherapy drugs cause the destruction of oocytes through apoptosis, programmed cell death.
Apoptosis is a naturally occurring phenomenon which usually rids the body of unneeded or worn-out cells from the body. However, in the presence of chemotherapy drugs, healthy cells undergo apotheosis.