The image is an infographic in Vietnamese that provides information about the stages of puberty and the associated symptoms. The infographic is divided into two sections, each with a title and a list of symptoms.

1. **Section 1: 6-13 years old**
   - **Symptoms:** Changes in voice, changes in body shape, changes in hair growth, changes in menstruation, changes in sexual activity.
   - **Description:** This section explains that during this age range, there are significant physical changes such as changes in voice, body shape, hair growth, menstruation, and sexual activity.

2. **Section 2: 14-18 years old**
   - **Symptoms:** Changes in voice, changes in body shape, changes in hair growth, changes in menstruation, changes in sexual activity.
   - **Description:** This section describes the physical changes that occur during this age range, including changes in voice, body shape, hair growth, menstruation, and