when is puberty marked
All other changes, such as your daughterâs first period (menstrual cycle) or changes to her size (wider hips) can be scary. Break it down for your daughter by explaining the stages of puberty that will affect her physically and emotionally. Girls begin puberty at different ages. It can start as early as age 9. By age 15, most girls have fully developed. Itâs during these years that the following changes occur: Changes to her body (shape, breasts, period): A young girl beginning puberty will undergo several physical changes. In the first stage, breast development begins with the appearance of small, breast buds under the nipples. It could be 2 additional years before her breasts fully develop.