What is the normal range of 18-month baby development indicators?

Each baby's physique is different, so the growth and development speed is also different, some children develop faster, some are slower. If it is an 18-month-old boy, the weight standard is about 8.13kg-15.75kg, and the height is about 73.6cm-92.4cm. If you are not assured, you can go to the hospital for a physical examination.