How to judge whether the development of twin children is normal?

I can tell you how to judge whether the development of twin children is normal. The following are some common methods and indicators:

1. Growth curve: By measuring children's height, weight and head circumference, and comparing them with the average value of children of the same age, we can evaluate children's growth. If children's growth curve is within the normal range, then their development may be normal.

2. Developmental milestones: Observe whether children have reached specific developmental milestones at different ages, such as looking up, turning over, sitting, crawling and walking. If children reach these milestones within the expected time, then their development may be normal.

3. Social interaction: Observe children's social interaction ability with others, including eye contact, smiling and responding to others. If children can have proper social interaction with others, their development may be normal.

4. Language development: Pay attention to children's language development, including starting to make sounds, imitating sounds, saying simple words and phrases, etc. If children reach these milestones within the expected time, their language development may be normal.

5. Check the nervous system: Check the nervous system regularly, including observing the child's reaction, motor coordination and feeling. If children's nervous system functions normally, then their development may be normal.

Please note that the above are just some common methods and indicators. If you have any concerns about your child's development, it is recommended to consult a professional pediatrician for detailed evaluation and diagnosis.