The normal range of ovaries in an 8 1/2 year old child should be between 3 x 2 x 1 cm, with individual variations. The ovaries of an 8 1/2 year old child should be roughly in the range of 3 x 2 x 1 cm. The exact size of the ovaries will vary slightly because each child’s developmental status is different and nutritional status is different. As long as the results are not too different and within normal limits, parents should not worry too much. It is important to note that if the size of the ovaries is small in an 8.5 year old child, this may indicate the presence of ovarian dysplasia. This condition may be related to malnutrition and hormonal abnormalities. It is recommended to take the child to the gynecology department of the hospital as soon as possible to improve the ultrasound, sex hormone 6 and other related examinations, in order to clarify the cause of the disease and receive treatment for the cause.