Breast enlargement in boys may be related to changes in estrogen and progesterone levels, and it is recommended to undergo a breast examination and seek professional advice.

The child may be developing prematurely, and it’s important to seek medical attention promptly. The lump in the chest isn’t a solid mass; it won’t be as large as it is now as the child matures. This is related to growth hormones, and the lump is caused by breast gland hyperplasia. The lump will gradually disappear as the child matures. There are many causes of pediatric endocrine diseases, and if a child is diagnosed with a pediatric endocrine disease, parents need to cooperate with the doctor for active treatment, including gastrointestinal decompression, and develop good hygiene habits. Parents should also pay attention not to let their children develop the habit of picky eating.