In general, the common causes of areola enlargement in women include four factors, namely sexual life, hereditary factors, pregnancy and excessive secretion of estrogen, all four factors can lead to areola enlargement to varying degrees, as follows: First, sexual life, sexual life will increase the secretion of estrogen, making melanin deposited around the areola, thus making the areola larger. Two, genetic factors, some women are born with larger than normal areola, this is due to genetic factors, no special treatment. Third, pregnancy, women during pregnancy, because of the influence of hormone levels will gradually increase the areola, and after the birth of the areola will become smaller, but in general, there is no way to fully restore to the pre-birth look. Fourth, excessive secretion of estrogen, some women find their areolas to increase in size during puberty, which is caused by the increased secretion of hormone levels.