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.
Women between ages 35 and 40 have a 20% chance of miscarriage whereas older women of 44 to 50 have nearly a 50% chance for miscarriage. Placental problems seem to increase with age. Placenta pervia is a condition in which part or all of the cervical opening is covered by the placenta.