Why my breasts get bigger?

Natural development: During puberty, the breasts begin to develop under the influence of hormones such as estrogen and progesterone. This development continues gradually throughout adolescence and into early adulthood. Factors such as genetics, body fat percentage, and overall growth can influence the size of the breasts.

Pregnancy and breastfeeding: During pregnancy, the breasts undergo significant changes in preparation for breastfeeding. The milk glands enlarge, and the breasts increase in size to produce and store milk. After childbirth, the breasts may remain larger due to the increased glandular tissue.

Weight gain: Gaining weight can lead to an increase in overall body fat, which can also contribute to breast enlargement. This is because the breasts are composed of fatty tissue. However, it's worth noting that weight loss may not necessarily result in a reduction in breast size, as the breast tissue itself may not decrease significantly.

Hormonal changes: Certain hormonal fluctuations, such as those associated with the menstrual cycle, birth control pills, hormone replacement therapy, or thyroid issues, can also influence breast size. These changes may cause temporary breast enlargement or tenderness.

Medical conditions: In some cases, an increase in breast size may be a result of underlying medical conditions, such as certain medications (e.g., certain antidepressants or antipsychotics), certain medical treatments (e.g., estrogen therapy), or rare genetic disorders. If you experience sudden or significant breast enlargement that is accompanied by other symptoms or concerns, it's important to consult a doctor for proper evaluation and diagnosis.