How old is a girl's chest

summary

Every female starts to develop from adulthood to adulthood. Of course, there needs to be a process. Girls will start to develop their breasts first. This is a symbol that will surely appear. Let's talk about how old a girl's breasts begin to develop.

How old is a girl's chest

First, the breast is located in the front chest, is the organ of feeding children. Before puberty, there is no difference in appearance between the breasts of boys and girls. From the age of 7-8, the girl's body system develops gradually.

Second: about 2 years later, under the combined action of ovarian hormone, pituitary hormone and insulin, the breast began to develop. The average age of breast development was 10.8-11.4 years. If the breast is still undeveloped over the age of 16, we should be alert for sexual retardation or ovarian dysplasia.

Third: the mature breast is blue globular, located between the third and sixth ribs. The nipple has erectile function, which makes it hard when touching, and is conducive to lactation.

matters needing attention

Women's breast development generally starts after the age of 8, so you can observe the degree of development, and don't need to be too nervous.