The first visible evidence of puberty in girls is a nickel-sized lump under one or both nipples.
girl budding breasts Young
However, sometimes the difference in size is very pronounced. It can interfere with breast-feeding. Breast tissue, therefore, grows outwardly while the base remains narrow.
This can be performed in teenagers after puberty and after the breasts are fully grown. If your daughter wants to try tampons, I recommend trying teen-sized tampons marketed as such. And when the discussion comes to tampons, as it almost inevitably does, they have a better sense of what is involved. Last reviewed: