Breast growth is mostly determined by genetics, age, and hormones
Eat a balanced diet with enough calories, protein, healthy fats, vitamins, and minerals
Maintain a healthy body weight
Get regular sleep
Exercise regularly to support overall hormone balance and posture
Avoid smoking and excessive alcohol
Manage stress
Do not use unapproved pills, creams, or supplements
Do not use hormone products unless prescribed by a doctor
If breast development seems delayed or abnormal, see a doctor or endocrinologist
If you want a larger appearance, use a properly fitted bra or padded bra
If you are considering surgery, consult a board-certified plastic surgeon