Nutrition During life cycle

 

The importance of nutrition throughout the life cycle cannot be refuted. However, the significance of nutrition during specific times of growth, development and aging is becoming increasingly appreciated.

Health professional have recognized for quite some time the effects of nutrition with consider to proper amount of nutrients during pregnancy on the health of infant and mother.

Establishing good dietary habit during childhood lessens the possibility of inappropriate eating behavior later in life.

In adulthood dietary practice aimed at preventing the degenerative disease and disease of aging that develop later in life. During adulthood many changes begin that lead to development of chronic disease, many of these changes can be slowed over the years depending on the quality of the individual’s nutritional intake.

In aging years, the requirements for specific nutrients increases or decrease so proper nutrients intake seems necessary.

 

Energy Requirement (Harris Benedict)

The DRIs for energy for the pregnant female are the same as none pregnant female in the first trimester, then increase by 340 to 360 kcal/day during the second trimester and by another 112 kcal/day in the third trimester.

The DRIs for energy during lactation is 330 kcal greater during the first 6 months of lactation and 400 kcal greater during the second 6 months of lactation over that for a none pregnant women.

* Physical activity coefficient

 

Dietary Reference Intakes (DRIs): Recommended Dietary Allowance and Adequate Intakes, Vitamins & Elements

Food and Nutrition Board, Institute of Medicine, National Academies

This table taken from the DRI report.

www.nap.edu

Life Stage Group
  Pregnancy14-18 y Pregnancy19-50 y Lactation14-18 y Lactation19-50 y
Vitamin A (μg/d) 750 770 1200 1300
Vitamin C (mg/d) 80 85 115 120
Vitamin D (μg/d) 15 15 15 15
Vitamin E (mg/d) 15 15 19 19
Vitamin K (μg/d) 75 90 75 90
Thiamin (mg/d) 1.4 1.4 1.4 1.4
Riboflavin (mg/d) 1.4 1.4 1.6 1.6
Niacin (mg/d) 18 18 17 17
Vitamin B6 (mg/d) 1.9 1.9 2 2
Folate (μg/d) 600 600 500 500
Vitamin B12 (μg/d) 2.6 2.6 2.8 2.8
Pantothenic Acid (mg/d) 6 6 7 7
Biotin (μg/d) 30 30 35 35
Choline (mg/d) 450 450 550 550
Calcium (mg/d) 1300 1000 1300 1000
Chromium (μg/d) 29 30 44 45
Copper (μg/d) 1000 1000 1300 1300
Fluoride 3 3 3 3
Iodine (μg/d) 220 220 290 290
Iron (mg/d) 27 27 10 9
Magnesium (mg/d) 400 350 360 310
Manganese (mg/d) 2.0 2.6 2.6 2.6
Molybdenum (μg/d) 50 50 50 50
Phosphorus (mg/d) 1250 700 1250 700
Selenium (μg/d) 60 60 70 70
Zinc (mg/d) 12 11 13 12
Potassium (g/d) 4.7 4.7 5.1 5.1
Sodium (g/d) 1.5 1.5 1.5 1.5
Chloride (g/d) 2.3 2.3 2.3 2.3