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Nutrition in Childhood and Adolescence PowerPoint Presentation

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Description : Check out this medical presentation on Child Nutrition, which is titled "Nutrition in Childhood & Adolescence", to know about childhood and adolescence nutrition.

Tags : Child Nutrition, Childhood, Adolescence

Published on : Jul 07, 2021 | Views : 3484 | Downloads : 2

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NUTRITION IN CHILDHOOD & ADOLESCENCE DR RAB NAWAZ MBBS, MPH, PGD (Nutrition), Bannu Medical College Bannu, NWFP, PAKISTAN
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Food Guide Pyramid The Food Pyramid, developed by the US Department of Agriculture (USDA), is an excellent tool to help you make healthy food choices. The food pyramid can help you choose from a variety of foods so you get the nutrients you need, and the suggested serving sizes can help you control the amount of calories, fat, saturated fat, cholesterol, sugar or sodium in your diet. Grains, Bread, Cereal and Pasta form the Base Fruits and Vegetables Lean Meat and Fish, Beans, Eggs Dairy Products Fats and Sweets
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Food Guide Pyramid (2) What counts as ONE serving Grain group: 1 slice of bread, ½ cup of cooked rice, ½ cup of cooked cereals, 1 ounce of ready to eat cereal. Fruit/ Vegetable group: ½ cup of chopped raw or cooked vegetables, ½ cup of raw leafy vegetable, 1 piece of fruit or one melon wedge, ¾ cup of juice, ½ cup of canned fruit, ¼ cup of dried fruit Meat group: 2-3 ounce of cooked lean meat, poultry or fish, ½ cup of cooked dried beans or 1 egg (counts 1 ounce of lean meat), 2 tablespoon of peanut butter (counts 1 ounce of lean meat) Milk group: 1 cup of milk or yogurt, 2 ounces of cheese Fats & Sweets group: limit calories from these. 4-6 years old children can eat these serving sizes. For children below 4 years, a total of 2 servings from the milk group each day.
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CHILDHOOD From age 1 through the beginning of adolescence. Growth in childhood slower than infancy. Weight gain about 5 pounds and grow 2-3 inches annually. Three groups on the basis of age and development Toddlers (Age 1-3 years) Preschoolers (Age 4-5 years) School children (Age 6-10 years) Energy & Proteins RDAs for children Age (y) Kcal/kg Kcal/day Proteins g/kg Proteins g/day 1-3 102 1300 1.2 16 4-6 90 1800 1.1 24 7-10 70 2000 1.0 28 On average 1 year old child requires 1000-1300 Kcal/day. This energy requirement doubles by 10 years age.
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Vitamins and minerals With cooperation of healthy child a well planned diet provide most nutrients except iron. RDA for iron during childhood (1-3 years) is 7 mg. RDA for iron during childhood (4-8 years) is 10 mg. As iron is low source of iron, so much consumption of milk contribute to low iron intake. Milk should be limited to 3-4 cups which allows room for diet rich in iron like lean meats, legumes, fish, poultry and cereals etc. A child diet may also be deficient in other micronutrients like zinc, vitamin D & E. Those children who are on low fat diets i.e. low fat dairy products suffer more. Outside influences such as TV viewing, affect children preferences for low nutrient density foods. Nutritional concerns of childhood Hunger Malnutrition, Micronutrients and PEM. Deficiencies of vitamins A, D, Zinc, Iron and proteins. These result in illnesses, stunted growth, limited development and in case of vitamin A deficiency possibly permanent blindness.
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ADOLESCENCE It is the time between the onset of puberty and adulthood. Boys grow about 8 inches, gain about 45 pounds and increase their lean body mass. Girls grow about 6 inches, gain about 35 pounds and increase their body fat. Growth through adolescence is hormone driven. Growth spurts for girls begin between ages 10.5 and 11 years with a peak in the rate of growth at around age 12. For boys growth spurts usually begin between ages 12.5 and 13 and peak at around age 14. This period of maximal growth lasts about 2 years. Adolescence is an uncomfortable time for the teen who is concerned with body image or body changes or athletic activities. Low nutrient snacks are a large part of the diet and adequate amounts of fruits and vegetables are missing. Factors that determine food selection and consumption include the desire to be healthy, fitness goals, amount of discretionary income, social practices and peers.
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Nutrient needs of adolescents Growth not age should be ultimate indicator of nutrient needs. Energy needs are greater during adolescence than at any other time of life with exception of pregnancy & lactation. Energy & Proteins RDAs Males Age (yrs) Kcal/kg Kcal/day Proteins g/kg Proteins gm/day 11-14 55 2500 1.0 45 15-18 45 3000 0.9 59 Females Age (yrs) Kcal/kg Kcal/day Proteins g/kg Proteins gm/day 11-14 47 2200 1.0 46 15-18 40 2200 0.9 44 Vitamins & Minerals Higher vitamins and minerals needs. Three nutrients of importance i.e. vitamin A, iron and calcium. AI for calcium 1300 mg/day, for iron is 11 mg/day (boys) and 15 mg/day (girls). Improving fruit & vegetable intake will help in obtaining adequate vitamin A.
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PREGNANCY Time of tremendous changes, guided by changing levels of hormones. Uterine, breast and adipose tissues grow, blood volume expands and gastrointestinal motility slows. All these changes have nutritional and dietary implications for pregnant women. Weight gained during pregnancy is a combination of fetal and maternal tissues and fluids. Weight gain recommendations are based on BMI prior to pregnancy. Women of normal weight (BMI=19.8-26) should gain 25-35 pounds over the course of pregnancy Most of this weight gain occurs during the second & third trimester. Nutrition related components of preconception care Risk assessment: Age, Diet, Substance use, existing medical condition, Barriers to prenatal care and PHC. Health Promotion: Healthful diet and refraining from substance use. Compliance with prenatal care. Interventions: Referral to hospitals with highly equipped and trained staff. Nutrition counseling, supplementation or referral to improve diet as needed. Nutrient needs of Pregnancy A pregnant woman requires added calories to grow and maintain not just her developing fetus but also the placenta, increased breast tissue and fat stores. Growth & development of the fetus also requires nutrients—carbohydrates, and fat as a source of energy while proteins, vitamins and minerals to support growth and cell differentiation.
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Nutritional Recommendations for Pregnancy Non-pregnant Pregnant % Increase Energy (Kcal) 2200 2500 14 Proteins 46 60 30 Vit A (ug) 700 770 10 Vit D (ug) 5 5 0 Vit E (mg) 15 15 0 Vit (K (ug) 90 90 0 Thiamine (mg) 1.1 1.4 27 Riboflavin (mg) 1.1 1.4 27 Niacin (mg) 14 18 29 Vit B6 1.3 1.9 46 Folate (ug) 400 600 50 Vit B12 (ug) 2.4 2.6 8 Choline (mg) 425 450 6 Vit C (mg) 75 85 13 Calcium (mg) 1000 1000 0 Phosphorus (mg) 700 700 0 Magnesium (mg) 310 350 13 Iron (mg) 18 27 50 Zinc (mg) 8 11 38 Iodine (ug) 150 220 47 Copper (ug) 900 1000 11
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Folic acid supplementation before pregnancy reduces the risk of neural tube defects such as spina bifida. Excessive intake of some vitamins (A) and use of drugs increase the risk of poor pregnancy outcome. The energy RDA increases by 300 Kcal/day for the 2nd & 3rd trimesters. Protein needs increases by about 10 gm/day while CHO & fats as for non pregnant women. The diet should contain CHO & fats in the same proportion as recommended for non pregnant women. Using the FGP pregnant women who consume enough energy should be able to meet all their nutrients needs except iron & folate. They should get extra calories mainly from grains, fruits and vegetables.
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LACTATION Breast feeding mother must choose a varied, healthful and nutrient dense diet. Need for energy and many nutrients is higher during lactation than during pregnancy. RDA values suggest an additional 500 Kcal and 12-15 grams of proteins each day. RI levels for minerals are generally higher during lactation than during pregnancy. Fluids are also important for adequate milk production. Food choices during lactation should follow the USDA Food Guide Pyramid and emphasize nutrient dense foods. With good choices and adequate intake a lactating mother may not need vitamin or mineral supplementations. The main CHO in breast milk is lactose while triglycerides are the main source of energy in breast milk. Benefits of Breastfeeding For infants For mothers For country Advantages of human milk over cows milk Proteins: more whey less casein, less phenylalanine, more peptidases Lipids: more lipase enzymes, more Linoleic acid, higher polyunsaturated to saturated fatty acid ratio, more cholesterol. Minerals: Less calcium, less sodium, higher calcium to phosphorus ratio, iron and zinc in more available form
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Unless the lactating mother reduce their physical activity, breastfeeding women need about 500 more Kcal/day than they did when they were not pregnant. Obtaining adequate energy and using the Food Guide Pyramid to balance choices most lactating women can obtain all the nutrients they need from their diet. Alcohol, cigarettes and drugs should not be used while breast feeding. Nursing mothers should eat plenty of vegetables (source of many micronutrients) Vegetables of cabbage family causes colic symptoms in breastfed children. Other foods with bad reputation include peanut butter, chocolate, egg whites and nuts. But removal of these foods from the diet should be done only under the supervision of a registered dietitian. Vegan women and who do not follow diet guidelines, should take vitamin B12 supplement. Those women who do not get regular sun exposure or do not drink milk or other fortified foods should get vitamin D supplementation. For most nursing mothers dietary counseling is the preferred way to address nutrient imbalances.