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.
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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: