Chest period- age period (seeAge),a newborn ™ starting after a period (seeNewborn child)and ending at 12 months. For G. of the item. Fast rates are especially characteristicgrowthincreasebody massintensive metabolism. By the end of the 1st year of life, the body weight of the child triples, the growth increases by 25 cm, the circumference of the head - by 12 cm, the circumference of the breast - by 13-15 cm.
The organs and systems of a child in G. subsection have a number of features (seeAnatomical and physiological featureschild's body). The functions are being improved in G.nervous systemmotor skills appear: by 2 months. the child, being upright, keeps his head well, from 4-5 months. turns from belly to back, then from back to belly; by 7 months Sits on his own, starts walking by the end of the year.
By the end of the 2nd month. the child watches the movement of the object, smiles; 3-4 months gulit, recognizes loved ones; from 6 months pronounces otd. syllables ("ba", "ma", "pa") laughs, by the end of the year individual words begin to speak. By 5-6 months, milk teeth begin to erupt, by the year there are usually 8 teeth. For G.n. is characterized by a relatively large need for food. When rational feeding (seeBreastfeeding, Artificial feeding, Mixed feeding)provided a high need for an infant in the DOS. nutrients (seeNutrition children), vitaminsetc.
For the proper development of the child must be strictly adhered to.daily regime,power, alternation of periodssleepand wakefulness. After each sleep, the child should eat, and after each feeding - be awake. Children aged 2-3 months. sleep 16-18 hours a day (of which 10 to 11 hours at night), in 3-6 months. - 16 h, in 6 - 10 months. - 15-16 hours, of which 5 hours in the afternoon. After 10 months. children go to a two-day nap, with a total duration of up to 14 '/2- 15 hours a day. In G. of the item at children diseases of a stomach can be observed. - kish. tract (dyspepsia, enteritis),rickets, diathesis(developmental abnormalities), respiratory diseases.
In the first months of life, the child is resistant to childreninfectious diseases (measles, whooping cough, chicken poxand etc.). With a number of infections. diseases(flu, dysentery)Generalized inflammation predominates in the children of the infant child, a process that may developconvulsions, toxicosis.
The movements peculiar to the child in the period of a newborn (a), in3month (b), in6months (in) in9 months(g) in10months (d) in15months (e).