Is it normal for a 7-year-old girl to have a lump in her breast?

7-year-old girl breast hard lump is abnormal.

Girls in puberty breast development is normal phenomenon, but 7 years old is far from puberty. 7-year-old breast hard lump is likely to be one of the performance of precocious puberty, precocious puberty will lead to premature girl body development, in addition to breast development, may also be accompanied by accelerated height growth, pubic hair and other secondary sexual characteristics in advance performance.

once found this abnormal situation, should promptly take the child to see a doctor, a comprehensive examination, including hormone level detection, bone age examination, ultrasound examination, etc., to clarify the cause.