See what to expect as your child goes through puberty. WebMD shows you Breast growth is usually the first sign of puberty girls will notice. First, small lumps .
Find out when and how your breasts start to develop during puberty. By the age of 17, a girl's breasts will usually be fully developed, although this may take a .
Puberty is the life stage wherein the most dramatic physiological changes occur for both boys and girls. It is the period where rapid growth and development.