Further work still needs to be done in this area. As of the present time, the opinions of experts vary in this regard. The average age of menopause is 52.3 years and has not changed much over the years. However, a century ago, life expectancy was much less for a woman than it is today. Today, the average woman will spend from a fourth to up to half of her life without the protective and beneficial effects of estrogen.
Every person needs to be evaluated on an individual basis.
Risk in each person varies and you will need to discuss this with your doctor. Some studies have noted an increased risk, while others have found an increase in certain types of breast cancer. You need to discuss this issue with your physician. Additionally, every woman on estrogen or hormone replacement should undergo periodic breast self examinations and mammograms as determined by her physician. Skin absorption bypasses the liver circulation and is more easily titrated.