At puberty, a woman's body will experience several changes. One of them is enlarged breasts. But the size of each woman's breasts is not the same, there are also those who have small or large breasts. When women experience puberty, usually between the ages of 8 and 13, the body begins to produce and release the hormone estrogen. As a result, fat in the breast connective tissue fuses and grows too. This extra fat makes a woman's breasts bigger. Meanwhile, women will also start menstruating for the first time. Causes of small breasts Small breasts can be caused by a number of factors below, including: Offspring If the size of your mother's breasts is large, there is a possibility that you have such a large breast. Vice versa, if your mother has small breasts. Weight Having more fat in the body makes you more likely to have bigger breasts. Even when you begin to lose weight steadily while exercising and maintaining a diet, one of your body's first contracts is the che...