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.
There Are Many Different Types of Miscarriage. A miscarriage refers to the loss of a pregnancy and is estimated to occur in 15 to 20 percent of all pregnancies. Most miscarriages occur during the first 13 weeks of pregnancy, though they can occur later on in the pregnancy. There are different kinds of miscarriages that can occur at different stages of your pregnancy.