How do girls' breasts develop during puberty? (2024)

This is an automatically translated article.

The article was professionally consulted with Specialist Doctor I Nguyen Thi Man - Obstetrician and Gynecologist - Department of Obstetrics and Gynecology - Vinmec Danang International General Hospital.

1. When will breasts start to grow?

When entering puberty in girls, breasts will begin to develop due to the change in hormone levels in the female body and the endocrine system's massive production of sex hormones.
Girls usually develop breasts between 11-12 years old, but some girls start developing breasts when they are only 7-8 years old or until 15 years old. If a girl is 13-14 years old and her breasts have not changed, she should see a doctor.
Factors affecting breast development include:
Genetics Weight, Exercise, and Sports Diet, Nutrition, Stress, Chronic diseases.

2. Breast development during puberty

2.1 Stage 1 This stage begins at about 8-12 years old, the nipples just begin to pop up, pink circle appears. This process takes quite a long time.
2.2 Stage 2 Stage 2 is around age 13. The baby's chest will be raised and gradually develop into breasts, the pink circle will grow wider and more sensitive.
2.3 Stage 3 When the child is 14 years old, the breasts are slightly raised and the pink halo will be opened further, the "double mountains" will appear more clearly on the girl's chest.

2.4 Stage 4 This is the time when the child is 15-16 years old, the breast size increases most markedly and the child begins to feel pain in the chest area. This can make the child feel tired.
2.5 Stage 5 At the age of 16-18, the “twin mountains” develop to the fullest extent and comprehensively. Should use some foods that are good for breasts such as soy milk, strawberries, eggs, green vegetables.

3. Some other notes during the development of breasts in girls

The size of the breasts will not be determined by the age at which breast development begins. During development, it is completely normal for the breasts to develop unevenly. Usually one side will grow faster than the other and vice versa. At the end of the development phase, the two sides of the "double mountain" will look even and then the breasts will have a stable size. If your girlfriend is 18-20 years old and the size of both sides is not the same, don't worry too much, because the production of sex hormones in each person's body still takes place continuously, so over time, the size The uneven size on both sides will be gradually overcome. In case the size of the two breasts is too different, it is necessary to see a doctor for treatment.
As the breasts develop, girls will experience tingling or pain in this area. The side that is growing fast will have more pain. If the chest is too tight and painful, it is best to take the child to the doctor. If there is a phenomenon of "nipple inversion" - that is, the nipple recedes inward, this is completely normal and does not affect health. This condition only interferes when a woman reaches the stage of breastfeeding. In case your nipples are normal but suddenly inverted, you should see a specialist to be examined and find out the cause.

During puberty, the glands inside the "double mountain" begin to develop rapidly, so when touched, there will be a hard lump inside. This phenomenon will disappear when going through puberty. Parents should pay attention to educating children about the changes of the body when entering puberty, so that children are less surprised and worried as well as control abnormal phenomena in the development process. children's development.
Puberty is an intermediate stage of transition from child to adult in children, so parents should spend more time caring and caring for their children. If they detect abnormalities when their child shows signs of precocious puberty in girls, parents should send their children to a doctor to receive advice from a doctor, thereby helping to adjust lifestyle and activities to protect healthy development. strong for children at the right age.
Precocious puberty screening package - Vinmec International General Hospital is the right choice to make accurate conclusions about your child's health status and development. With this test package, your baby will be examined with a leading expert in Pediatric Endocrinology, have sex hormone blood tests, bone age assessment tests, brain MRI scans or some specialized tests. to determine the correct cause of precocious puberty and intervene promptly. The examination process is carried out methodically and up to standards, so parents can rest assured.

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