See cancer for the biology of the disease, as well as a list of malignant diseases. Oncology is a branch of medicine that deals with the prevention, diagnosis and treatment of cancer. A medical professional who practices oncology is an oncologist. The name's etymological origin is the Greek word á½Î³ÎºÎ¿Ï (Ã³nkos), meaning tumor, volume or mass.
1 An increase in maternal age affects the chances of miscarriage. 2  Women under the age of 35 yrs old have about a 15% chance of miscarriage. 3  Women who are 35-45 yrs old have a 20-35% chance of miscarriage. 4  Women over the age of 45 can have up to a 50% chance of miscarriage.
During pregnancy, the key factors associated with an increased risk of miscarriage were alcohol consumption, lifting weights of over 20 kilograms every day and regular night-shift working. According to the research, reducing all these risk factors to very low level could prevent around a quarter of miscarriages.