1. The development standard of the baby in October is that the weight of the boy is 7.9-12.0kg, the length is 69.6-80.2cm, and the weight of the girl is 7.2-11.3kg, the length is 67.5-78.7cm. At this time, 4-6 teeth can be generated and chewed.
2. At this time, the baby will be called Mom and Dad, will know common people and things, will change from sitting to prone position, or sit up from prone position.
3. You can stand up with your hands, stand alone for a while after getting up, walk with a cart, put things on the table or take things in fine movements.