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What is the process of breast development? How many stages are there in breast development?
Women's breasts are not only important sex organs, but also important parts for breastfeeding the next generation. At the same time, women's breasts are also the part that shows women's charm. During the development period, women's breasts will become fuller than before, and there are several stages of breast development. So, what is the process of breast development? How many stages are there in breast development?

1, breast development process

The nipple stage in infancy is the undeveloped stage of the chest before puberty. At this time, there are only a pair of small nipples on the chest. This is the initial stage for women to mature. At the beginning of menstruation, pubic hair around the genitals gradually germinated, and the area around the nipple began to swell and enlarge.

Puberty breast protrusion-in adolescence, the size of breasts continues to increase slowly with age; At this stage, the tissues around the breast and areola are obviously raised, and the chest is conical. Puberty is a critical period of breast development. If you encounter the problem of breast dysplasia, you must investigate the causes of breast dysplasia and prescribe the right medicine.

Strong breasts in early adulthood-the ideal stage of human physical condition is at the age of 25. During this period, human physical condition has reached its peak and all growth processes have ended. Women in their twenties have the most hemispherical breasts. Although the weight of the breast has increased compared with the past, it has not caused the breast to sag under the action of gravity.

The perfect breast after becoming a mother-Under the common stimulation of motherhood and suddenly enlarged breast tissue, the breast full of milk expands more and begins to show signs of sagging breasts. The lower part of the breast will overlap with the skin of the chest, forming a hidden fold.

Middle-aged women's flabby breasts-As the reproductive stage draws to a close, although breasts are no longer as plump and huge as during lactation, they still can't stop the trend of sagging breasts, and now they hang more loosely on their chests.

Elderly breast droop-after entering old age, the tissues of the whole body begin to contract, so the breasts become flat. At this point, the breast is still hanging loosely on the chest. The difference is that the wrinkles of breast skin have increased a lot.

2. Breast development is divided into several stages.

1, puberty, all parts of the body will begin to mature, usually at 19, 20 years old;

2, the sexual stage, mainly for the development of the chest, because of the role of the same room, often women's breasts will get secondary development under the kiss and touch of men;

3. In the postpartum stage, after giving birth to a child, the female chest will develop to a certain extent due to breast milk.

3. Why does breast development hurt?

In the puberty development stage of girls, due to the increase of estrogen level in the body before menstruation, mammary duct dilatation and so on. , will make the breast swell and harden, and sometimes feel a small lump in the breast, and feel pain and tenderness. This is a normal physiological phenomenon of breast development, which will disappear automatically with the self-regulation of the body.

"I have a hard thing in my nipple, and it always hurts. If someone accidentally hits it, it will hurt like hell. Do I have a tumor on my breast? " 1 1 year-old Wen Wen said.

Xiaohong, 12 years old, has recently suffered from the same distress as Wen Wen, because she found that her breasts were bulging day by day, and she often felt that her breasts were swollen. In physical education class, when she was hit by a ball or playing with friends, she accidentally touched the ball and cried out in pain. Because the chest gradually bulges, Xiaohong often arches her back unconsciously, hoping to make the changes in her chest less obvious or noticeable.

Although people are used to taking menarche as an important symbol of girls' puberty, the first and earliest secondary sexual characteristic of girls is breasts, and the development of breasts begins at the age of 8 ~ 12. Then, knowing how old the breasts begin to develop, do you still think menarche is a sign that women enter puberty?