1. Physical development indicators 1. Height and weight The average height of a 10-month-old baby is 72.2 cm and weight is 9.6 kg. However, it should be noted that every baby\’s growth and development is different. Some babies may be taller or heavier than average, while others may be shorter or lighter. 2. Head circumference and chest circumference The average head circumference of a 10-month-old baby is 44.4 cm and the chest circumference is 47 cm. These two indicators are also one of the important signs reflecting the growth and development of the baby. 2. Motor development indicators 1. Crawling and standing A 10-month-old baby can already crawl skillfully and try to stand.