OB exam 1 - Maternal Nutrition Flashcards
carbohydrate
-primary energy source
-fiber helps bowel function
protein
helps maternal tissue hyperplasia and hypertrophy, fetal growth and contributes to energy metabolism
role of fats
-energy
-more completely absorbed during pregnancy
-fat deposits inn fetus: 2% mid, 12% at term
calcium and phos
-mineralization of fetal bones and teeth
-acid base buff
iodine
-essential part of thyroxine (thyroid hormone)
-cretinism may occur in the infant if severe deficiency
-use iodized table salt
sodium
-metabolism
-regulation of fluid balance
do not normally restrict in pregnancy
zinc
-protein metabolism
-synthesis of DNA and RNA
-fetal growth
-lactation
magnesium
-cellular metabolism
-bone mineralization
iron
-oxygen carrying capability of blood
-expansion of maternal blood volume
-low iron is usually cause of anemia in pregnancy
where are fat soluble vitamins stored
the liver
vitamin A
-growth of epithelial cells
-synthesis of glycogen
-development of healthy eyes in the fetus
ex: sweet potatoes, carrots, eggs
vitamin D
-absorption and utilization of calcium and phosphorus for skeletal development
ex: fortified foods like milk, breakfast cereals, yogurt and orange juice
vitamin E
-anti oxidation
-maintains health of cell membranes
ex: almonds, sunflower seeds
vitamin K
synthesis of prothrombin needed for blood clotting
ex: green leafy veggies
vitamin C
-development of connective tissue
-development of vascular system
ex: oranges, kiwi, broccoli
what nutrients require no change for pregnancy
fat
vit E
vit K
iodine
sodium
vitamin B
-cell respiration and glucose oxidation
-energy metabolism
-inadequate folic acid associated with neural tube defects
ex: green leafy veggies, poultry, chickpeas
protein needs for pregnancy
60 g/day, increase of 14g
carbohydrates needs for pregnancy
6-11 servings per day
calories needs for pregnancy
increase kcal by +300 during 2nd & 3rd trimester
calcium needs for pregnancy
1000 mg/d
zinc needs for pregnancy
11mg/d
magnesium needs for pregnancy
350 mg/d
what vitamins & minerals have increased needs
iron
vit D
vit E
vit C
thiamine
folic acid requirement for pregnancy
400 mcg/d
do you need a multiple vitamin if diet is adequate
no, only supplement needed is iron