The normal weight of a one-year-old baby should be three times the birth weight. If the baby is 3 kg at birth, it should be about 9 kg at the age of one and 75 cm tall. The growth rate of babies is the fastest in the first half of their lives. Generally, the baby's weight is twice the birth weight in about half a year. From about 4 months, the baby will start to add complementary food normally. One or more complementary foods can effectively supplement the deficiency of breast feeding or milk powder feeding, and ensure the nutrition needed by the baby's normal growth and development.
In fact, the growth of baby height and weight is basically regular. Usually, at birth, the average length of a baby is about 50 cm, and its height grows fastest in 1 year, with an average monthly growth of 2.5 cm in1~ June and 2.5 cm in July ~1February. At 1 year-old, the height increased by 25 cm compared with that at birth, which was about 1.5 times that at birth. In the second year after birth, the growth rate of baby's height began to slow down, and it only increased by 10~ 12 cm throughout the year. After that, from 2 years old to before puberty, the baby's height growth entered a relatively stable stage, with an average annual growth of 6~7 cm.
In addition, the baby's physical development is directly related to the baby's health, so we must pay more attention at ordinary times. According to the Ministry of Health's Reference Standard for the Growth and Development of Children under 7 in China, the boy weighs 8. 13- 15.75kg and is 73.6-92.4cm； tall. Very long. The female student weighs 7.79- 14.90kg and is 72.8-9 1.0cm long. In addition, most baby's primary teeth are 12. And can move forward freely, even run a few steps. I like to imitate the actions of adults. I like to put things together and often take a lot of things at once. When you can still talk to your parents or children around you, the baby will look up and stare at the speaker's mouth with interest. Be able to use two sentences flexibly and start using three sentences. At this time, the baby began to greet the people around him in words.
Conclusion After bathing children at night, you can tell them stories and whisper, and your voice must be lower. Then the bedroom lights must be dimmed, or directly turned off and plugged in a nightlight. Don't let bright lights affect children's sleep, and try to make children have a suitable sleeping environment. Even if something happens, you must remember to let the baby sleep before doing it.