The size of the areola will be affected by genetic factors, hormone levels, etc. After a woman enters puberty and develops, with the rise of hormone levels in the body, the mammary gland develops and enlarges, and the areola also enlarges and darkens in color, and the areola enlarges is normal. The size of areola development is affected by genetic factors, and the degree of mammary gland development, there will be different sizes, when a woman is pregnant, with the body’s hormone level rises, breast development again, the areola of the pigmentation increases, the color becomes darker, the areola enlargement of the performance of the end of the breastfeeding period will gradually return to normal. Most of the fair-skinned women with small areola are affected by genetic factors in the body, regardless of the size of the areola does not affect the health of the body, there is no need to worry.