儿护（Child support）.docVIP

儿护（Child support） 1.IgG can be passed through the placenta to the newborn and gradually decreased in the body after IgG3 to 5 months. 2.IgA, IgM cannot pass placenta, the newborn is easy to suffer from gram negative bacteria infection. 3. secretory IgA is absent in infancy, so children are susceptible to respiratory tract infections. Two. Childrens age groups: 1. fetal stage 2. Neonatal stage 3. Infancy 4. Infancy 5. School-age children 6. school age 7. Puberty Three, the first week of neonatal care is more important; early childhood security care is more important Four, puberty girls develop 2 years earlier than boys Five, growth and development law: 1., continuity, stage 2., the imbalance of the development of organs and organs: the earliest development of the nervous system, the reproductive system developed at the latest 3., the sequence of growth and development: from top to bottom; from near to far; from coarse to fine; from low to high; from simple to complex 4., the same phylogenetic inconsistency 5. individual differences in growth and development The normal value of six, the average weight of newborn infant weight: when 3KG was born, within half a year, the average monthly increase of 600 to 800 grams, the second half of the average monthly increase of 300 to 400 grams, 3 to 5 months when the weight is 2 times of birth weight, at the age of 1 to 3 times the birth weight, at the age of 2 to 4 times Seven, weight calculation formula: 1~6 months: weight = birth weight + Month Age * 0.7 7~12 months: body weight = 6 + Month Age * 0.25 or weight = birth weight + 6 * 0.7 + (month age 6) * 0.4 2 ~ 12 years old age weight = weight (age * 28 = - 2) * 212 Eight, the height of the formula and the normal value: height = age * 770 50CM at birth, 6 months 65CM, one year old, 75CM, 2 years old, 85CM Nine, the amount of the upper and lower levels: the upper edge of the symphysis pubis: at the age of 12, the upper and lower amounts are equal Ten, the normal value of head ci