What Causes Increase In Breast Size?
What Causes Increase In Breast Size? Breasts grow in response to the hormones estrogen and progesterone. As you enter puberty, levels of these hormones increase. Your breasts begin to grow under the stimulation of these hormones. Hormone levels also change during the menstrual cycle, pregnancy, breastfeeding, and menopause. Can breast massage increase my size? Touching