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  • Breast lump in 8 Month Old

Breast lump in 8 Month Old

baby girl breast lump

Breast Lump in Baby: Cause for Worry?

“Three weeks ago my daughter found a knot in the right breast, just behind the nipple, of my 8-month-old granddaughter, the knot feels moveable and does not seem to bother her. We are concerned about this, her pediatrician recommended to just watch it for a while, she did order a cbc and sed rate, which were normal. Is this what you would do or do you feel we should ask for a sonogram?”

This sounds like a breast bud. Breast buds are actually the beginning stages of breast development. Breast bud or a breast lump are usually round, and located precisely behind the nipple (if it is off-center, then other causes of lumps need to be considered). The actual term for early breast bud development is premature thelarche. This can be on one or both sides and can happen to girls anytime between birth and six years of age. While not considered normal, we also don’t consider this a disease. Most cases of early breast development are harmless and do NOT progress to actual full-size breast development. Your doctor should check for other signs of puberty: rapid growth, acne, pubic hair, and menstruation. If these signs are present, then a full hormonal workup should be done.

Why does this happen?

Breast development is stimulated by estrogen, but studies of young girls with simple premature thelarche show normal estrogen levels. Most physicians believe that some girls are just temporarily more sensitive to their NORMAL levels of estrogen.

Any treatment needed?

Usually, no treatment is necessary. Since there is a very, very small chance that this is the actual beginning of puberty, it is important for parents and physicians to monitor the breast buds for significant progression.

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