Which of these is a change one might notice in a girl going through puberty?

Options

A. Widening of chest
B. Increase in muscle mass
C. Broadening of shoulders
D. Widening of hips

Answer

### Step-by-Step Solution:

1. **Understanding Puberty**:
- Puberty is a transitional phase in human development where individuals undergo physical and hormonal changes that lead to reproductive maturity. This phase occurs in both males and females.

2. **Identifying Changes in Girls During Puberty**:
- During puberty, girls experience several physical changes. These changes are distinct from those seen in boys.

3. **Evaluating the Options**:
- The question asks which change is specifically observed in girls during puberty.
- Common changes in girls include:
- Breast development
- Widening of hips
- Growth of body hair
- Menstruation onset

4. **Analyzing Each Option**:
- **Wideness of chest**: This change is typically associated with males.
- **Increase in muscle mass**: This is also more pronounced in males.
- **Broadening of shoulders**: This is another change more commonly seen in males.
- **Widening of hips**: This change is significant in girls as it prepares their bodies for potential future childbirth.

5. **Conclusion**:
- The correct change that one might notice in a girl going through puberty is the widening of hips. This change is important for the female body as it prepares for the possibility of carrying a baby in the future.

### Final Answer:
The change one might notice in a girl going through puberty is the **widening of hips**.

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