One-year-old baby\’s development standards, see if your family meets the standards

First month: The baby has just left the mother\’s body, and the body begins to gradually adapt to the outside world. The baby\’s abilities are still very limited, but it is still very sensitive to smells, sounds, and light. The baby knows to turn around and avoid unpleasant smells. If there is a sound in the ear, it will turn its head to look for the source of the sound, and will chase objects in front of it within a 45-degree angle. The standard weight is 3.5 to 5.5 kilograms for boys and 3.3 to 5.2 kilograms for girls. The standard height is 50.3 to 58.5 centimeters for boys and 49.5 to 57.4 centimeters for girls. Essentials for baby\’s intellectual development: Children\’s Whole Brain Development and Thinking Training, all 4 volumes, full color and ultra-clear pdf. Second month: The baby can distinguish the mother\’s voice, can raise its head and turn left and right, can make babbling, babbling sounds, and can smile. The baby\’s hands change from a curled-up state to an extended state. Although the baby cannot grab things by himself, the baby can\’t hold the things placed in the baby\’s hands. The standard weight is 4 to 8 kilograms for boys and 3.5 to 7.5 kilograms for girls. The height is 52 to 66 centimeters for boys and 50 to 65 centimeters for girls. Third month: The baby\’s head can reach an angle of 45 degrees. When he is happy, he will dance and make sounds like oh and oh. When someone teases him, the baby will also make such behaviors. The baby can also begin to understand the mother\’s kindness. When the mother\’s bad mood changes, the baby may cry when the mother talks to the baby in a critical tone. Now the mother can have simple emotional communication with the baby. The height of the boy is 55 to 70 cm, and the height of the girl is 54 to 68 cm. The weight of the boy is 4.8 to 9.5 kg, and the weight of the girl is 4.4 to 8.8 kg. Fourth month: The baby\’s life becomes more regular, and the baby\’s vision and hearing develop rapidly. The baby will turn over from supine to prone, can grasp toys, and can communicate with the other hand. The baby is tired of playing. Sometimes he rubs his eyes with his hands, yawns, etc. The height of a boy is 58 to 72 cm, and the height of a girl is 57 to 70 cm. The weight of a boy is 5.5 to 10 kg, and the weight of a girl is 5 to 9.5 kg. Fifth month: The baby\’s memory has developed to a certain extent, and it begins to recognize babies and has a sense of attachment to the mother. Of course, you can also start to teach the baby to recognize things. The baby also begins to have a temper and will react when it is not satisfied. Use crying to vent your emotions, put everything into your mouth, and use your mouth to understand the world. The height of the boy is 60 to 75 centimeters, and the height of the girl is 59 to 72 centimeters. The weight of the boy is 5.7 to 12 kilograms, and the girl is 5.5 to 11 kilograms. Sixth month: The baby\’s expression becomes richer, and he will frown when he is unhappy. When the baby\’s deciduous teeth grow, the baby can roll around on the bed at will, sit more securely, and begin to learn to crawl. The baby\’s nervous system develops further. Perfect, the baby will respond when the mother calls the baby\’s name, and the baby knows his name. The height of a boy is 62 to 75 centimeters, and the height of a girl is 60 to 74 centimeters. The weight of a boy is 6 to 12 kilograms, and that of a girl is 6 to 11.5 kilograms. Seventh month: The baby is now used to sitting and playing. He can pick up things on the ground and grab the chopsticks and spoons from his mother\’s hands. The baby tries to eat and drink by himself. The baby likes to do some repetitive actions. If you keep banging things and never get tired of it, your baby will also tilt his head and wave his hands towards him.Say no to something you don\’t like. The height of the boy is 63.5 to 78 cm, and the height of the girl is 63 to 76 cm. The weight of the boy is 6.5 to 12.5 kg, and the weight of the girl is 6 to 12 kg. Eighth month: The baby can grasp and change directions smoothly, can distinguish relatives around him, and can wave his hands to say goodbye. The baby\’s self-awareness has been enhanced and he can protect his own things. When the mother is close to other children, The baby will appear unhappy. The baby\’s fingers will become more sensitive, and he likes to use two fingers to pick up things, and his movements will be more precise. The height of the boy is 64 to 79 centimeters, and the height of the girl is 63.5 to 77 centimeters. The weight of the boy is 7 to 13 kilograms, and the weight of the girl is 6.5 to 12.5 kilograms. Ninth month: The baby\’s ability to interact with people further improves. He claps goodbye and waves goodbye, can pronounce father and mother, can understand the meaning of some of the mother\’s words, can walk while holding on to the wall, and sometimes listens to very small sounds. sound, looking for the source of the sound. He is more sensitive to his mother\’s mood changes and can accurately express his own mood. Have a stronger sense of self and don’t share your toys with others. The height of the boy is 64.5 to 81 cm, and the height of the girl is 64 to 79 cm. The weight of the boy is 7.5 to 13.5 kg, and the weight of the girl is 7 to 13 kg. Tenth month: The baby likes to play with other children, begins to learn to stand alone, and his imitation ability is further enhanced. He can speak a single word, and knows how to ask, don’t wait for simple instructions. He starts to be disobedient and restless, which will make the baby Mom felt a little tired. The height of the boy is 65 to 82 cm, and the height of the girl is 64.5 to 80 cm. The weight of the boy is 8 to 14 kg, and the weight of the girl is 7.5 to 13.5 kg. Eleventh month: The baby becomes more independent, or becomes a little stubborn. He is determined to get where he wants to go or what he wants, and he also likes to grab other people\’s toys and things. At the same time, he also understands more vocabulary, can carry out more simple instructions from his mother, and can communicate with others using simple expressions. The height of the boy is 65.5 to 83 cm, and the height of the girl is 65 to 80.5 cm. The weight of the boy is 8.5 to 14.5 kg, and the weight of the girl is 8 to 14 kg. Twelfth month: Increased self-awareness, showing affection for people you like, expressing emotions more accurately, may learn to walk independently, and can cooperate with the mother in dressing, shoes, etc. Many of the baby\’s behaviors, but some of them are contrary to the mother and feel The baby is becoming more and more disobedient. The height of the boy is 66 to 84 centimeters, and the height of the girl is 65.5 to 83.5 centimeters. The weight of the boy is 9 to 15 kilograms, and the girl is 8.5 to 14.5 kilograms.