What is the range of haemoglobin in a healthy women ?

Question

Accepted Answer

The range of haemoglobin in a healthy woman is correctly given as 12.0 to 15.5 grams per deciliter (Gpd), which is represented by Option 2. This range is widely accepted in medical literature and clinical practice as the normal haemoglobin range for adult women. Haemoglobin is a protein in red blood cells responsible for carrying oxygen throughout the body, and maintaining levels within this range is crucial for optimal physiological function.

1. **Explanation for Option 2:**
   - The normal haemoglobin range for women is typically slightly lower than that for men due to physiological differences, including menstrual blood loss. The range of 12.0 to 15.5 Gpd is considered normal and healthy for women, ensuring adequate oxygen transport and preventing symptoms of anaemia, such as fatigue and weakness.

2. **Explanation for why other options are incorrect:**
   - **Option 1 (13.5 to 17.5 Gpd):** This range is generally considered normal for adult men, not women. Women typically have lower haemoglobin levels due to factors such as menstruation and hormonal differences. Therefore, this range is not applicable to healthy women.
   - **Option 3 (10.2 to 12.2 Gpd):** This range is below the normal threshold for healthy women. Haemoglobin levels in this range may indicate mild anaemia, which can lead to symptoms like fatigue and decreased physical endurance. Thus, it is not considered a healthy range for women.
   - **Option 4 (15.5 to 17.5 Gpd):** Similar to Option 1, this range is more typical for men. Haemoglobin levels this high in women could indicate a condition known as polycythemia, where there is an abnormally high concentration of haemoglobin, which can lead to complications such as increased blood viscosity.

In conclusion, Option 2 is the correct answer as it accurately reflects the normal haemoglobin range for healthy women, ensuring proper physiological function and overall health.