Understanding Healthy Blood Pressure for Teen Girls: 90/40 mmHg

Blood pressure readings are typically categorized into four groups:

1. Normal: Less than 120/80 mm Hg

2. Elevated: 120-129/80-89 mm Hg

3. High blood pressure (Stage 1): 130-139/80-89 mm Hg

4. High blood pressure (Stage 2): 140/90 mm Hg or higher

Therefore, a blood pressure reading of 90 over 40 mm Hg is considered normal for a 14-year-old female.