The first sign of puberty is an acceleration of growth followed by the development of a palpable breast bud (thelarche).

For example, procedures involving the chest may affect the growth of breast buds in adolescent girls.

Her creamy breast buds were barely defined, delicateswellings, but the little nipples stood proud, teased by the cool airsof the monsoon.

Small breast buds are present on both sexes.

Teenage girls tend to complete breast development an average of 4 years after breast buds signal the beginning of puberty.

Young girls often develop "breast buds" that appear just before the beginning of puberty.

Boys may have a breast bud on one or both sides about the size of a nickel or quarter.

Her breast buds were swollen, tender and sensitive.