As women enter a new stage of their life, more and more women over age 40 are choosing to have breast augmentations. Cleveland Clinic is a non-profit academic medical center. Advertising on our site helps support our mission. We do not endorse non-Cleveland Clinic products or services. But these two age groups often have different reasons for wanting the surgery and different goals. Djohan says that the younger women, age 20 to 23, are more likely to have more severe breast hypoplasia.