Is the blood pressure 122 over 75 good for a 10 year old female?

Yes, a blood pressure of 122/75 mmHg is within the normal range for a 10-year-old female. Normal blood pressure for children and adolescents varies based on age, gender, and height. For a 10-year-old girl, a systolic blood pressure (top number) between 95 and 142 mmHg and a diastolic blood pressure (bottom number) between 40 and 92 mmHg is considered normal.