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.
Conceiving during a Womanâs 30s. Fertility starts to drop at age 30 and seriously declines after age 38. The chances of having a miscarriage between ages 30 and 34 rises to 11.7 percent and after turning 35 a woman has an 18 percent risk of miscarrying.he optimum age for fertility for women begins at the age of 18 but according to Parenting.com, a woman is at her most fertile during her early 20s and there is the lowest risk of miscarriage (9.5% between ages 20 and 24 and 10% between ages 25 and 29).