Five and a half year old baby girl has developed, mainly consider simple mammary gland development, central nervous system abnormality, primary precocious puberty and so on.
1. Simple mammary gland development: a special manifestation of incomplete precocious puberty in girls, starting at a young age, often less than two years old, the mammary glands are only mildly developed, not accompanied by accelerated growth and early bone age.
2. Abnormalities of the central nervous system: abnormalities of the central nervous system lead to abnormal regulation of estrogen by the hypothalamus and pituitary gland, which will also lead to the development of the baby.
3. Primary precocious puberty: When the baby has primary precocious puberty, the five and a half year old baby girl will also appear to have developed.
Five and a half year old girl baby development, there may be other reasons, such as adrenal gland abnormalities, etc., it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.