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Quiz 2 Nutrition Throughout Life
2 of 10... heeere we go
34
Health Care
Undergraduate 3
01/12/2011

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Cards

Term
Infertility definition, stats, dx
Definition
Biological inability to bear children >1 year of unprotected intercourse

15% of couples are involuntarily infertile

Leading dx is endocrine or immunological disturbances
Term
Subfertility, stats, examples (3 ex)
Definition
Reduced level of fertility characterized by unusually long time for conception (>12 months) and/or repeated miscarriages. Can be improved with diet.

18% of couples are subfertile

-Having multiple miscarriages
-Sperm abnormalities
-Infrequent ovulation
Term
Miscarriage, causes (4 causes)
Definition
Loss within the first 20 weeks of pregnancy (9% of pregnancies)

-Defect in fetus (genetic) – 95% of miscarriages
-Maternal infection (PID > fallopian tubes)
-Structural abnormalities of uterus (endometriosis)
-Endocrine or immunological disturbances
Leading diagnosis of infertility
Term
Cutoff Age for chromosomal disorder likelihood increase in women, and sperm count decrease in men
Definition
36 or older
Term
How long does sperm maturation take?
Definition
70-80 days
Term
Conditions that modify fertility in men and women seem to affect hormones that regulate:
Definition
Ovulation
Luteal phase (presence or length)
Fallopian tubes - passageway that ova must travel for conception to occur

Sperm production
Vas deferens
Term
Factors that contribute to infertility in both males and females (13)
Definition
Weightloss > 15% of normal weight
Inadequate Body Fat
Negative Energy Balance
Excessive (especially central) body fat
Extreme levels of exercise
High Alcohol Intake
Endocrine Disorders
Celiac Disease
Crowding
Severe Stress
Reproductive Tract Structural Abnormalities
STD's
Diabetes
Term
Environmental Factors that can affect fertility (5)
Definition
Environmental toxins, dioxins, polybrominated biphenyls (PBBs), phtalate esters, and other industrial products. Many are called endocrine disruptors and are incorporated in biochemical pathways.
Term
Two nutrients associated with infertility
Definition
B-12 deficiency, & elevated homocysteine
Term
Factors that contribute to infertility in males (12)
Definition
Inadequate Zinc
Inadequate Antioxidants
Heavy Metal Exposure
Glycerol Exposure
Halogen Exposure
Estrogen Exposure (DDT, PCB's)
Chromosomal Abnormalities in sperm
Sperm Defects
Excessive Heat to Testes
Steroid Use
Vitamin D inadequacy*
DHA inadequacy*
* = controversial
Term
Factors that contribute to infertility in females (10)
Definition
Recent oral contraceptive use (within 2 months)
Anorexia or Bulimia
High Caffeine Intake
High Fiber intake
Age > 35
Pelvic Inflammatory Disease (PID)
Poor Iron Stores
Endometriosis
Vegetarian Diets*
Carotenemia*
* = Controversial
Term
Acute undernutrition
Definition
Dramatic decline in fertility that recovers when food intake does
Term
Gravidic Chronic undernutrition
Definition
Birth of small & frail infants w/high likelihood of death within 1st year of life
Term
Fertility Body Fat Facts (3)
Definition
Estrogen, androgens (testosterone), and leptin are produced by fat cells

Fertility is optimal with BMI 20-30

Fertility treatments not as effective in obese women
Term
Consequences of too low of a BMI for women (2)
Definition
Amenorrhea, anovulatory cycles, & short or absent luteal phases

Fertility drugs (e.g., Clomid) not effective in underweight women
Term
Consequences of too much weight loss in men (2)
Definition
Weight loss 10-15% below normal - sperm viability & mobility reduced

Weight loss > 25% below normal - sperm production stopped
Term
5 Nutritional Factors that largely affect female fertility
Definition
Fat intake <20% of calories

Dietary fiber >25 g/day

Soy Isoflavones >200 mg/day

Caffeine
>300 mg/day decreases fertility by 27%
>500 mg/day decreases fertility by 50%

Alcohol – avoid during pregnancy anyway!
1-5 drinks per week 39% in conception
>10 drinks per week 66% in conception
Term
2 Ingredients with large amounts of phytoestrogens (good for breast cancer but not for fertility)
Definition
Flax & Soy
Term
Supplementation in this supplement improves fertility
Definition
Iron
Term
Nutrient Lost in Semen
Definition
Zinc
Term
5 Things to Maximize Fertility M & F
Definition
Choose Low GI Carbohydrates

Iron Supplementation

Multivitamins

Choose Full Fat Dairy

Reduce/Eliminate Trans Fat
Term
Oral Contraceptives Side Effects (11)
Definition
Increased HDL

Increased TG and LDL

Increased risk of venous thromboembolism (blood clots)

Increased blood levels of copper

Decreased:

Folic acid
Magnesium
Vitamin B2 (riboflavin)
Vitamin B6 (pyridoxine)
Vitamin B12
Vitamin C
Zinc
Term
4 Side effects of contraceptive injections
Definition
Weight gain

Increased LDL

Decreased HDL

Decreased bone density
Term
Contraceptive Implant Side Effect (1)
Definition
Weight Gain
Term
Lack of this nutrient early in pregnancy can cause this birth defect
Definition
Cretinism
Term
Effects of Goldenseal, barberry, and Oregon grape
Definition
can increase oxytocin (uterine contractions), but may also damage the liver of the fetus
Term
Herbs to avoid while pregnant
Definition
andrographis, blue cohosh, boldo, catnip, essential oils, feverfew, juniper, licorice, nettle, red clover, shepherd's purse, and yarrow
Term
REE & TEE

IBW
Definition
Resting Energy Expenditure

Total Energy Expenditure

Ideal Body Weight
Term
Calculating Ideal Body Weight (IBW)
Definition
Female: 100 lbs for 1st 60” (5 ft) of height + 5 lbs for each additional inch

Male: 106 lbs for the 1st 60” (5 ft) of height + 6 lbs for each additional inch

Frame size adjustment (10%):
– Large frame: IBW + (IBW x 0.10)
– Small frame: IBW - (IBW x 0.10)
Term
Calculating REE & TEE
Definition
Men: REE = (9.99 X W) + (6.25 X H) – (4.92 X A) + 5

Women: REE = (9.99 X W) + (6.25 X H) – (4.92 X A) – 161

TEE = REE x (Activity Factor) +/- 500 calories depending on whether weight loss or gain is desired

key:
weight (W) in kg
height (H) in cm
age (A) in years
Term
1 in to Cm Conversion (you already know it)

1 kg to pound conversion
Definition
2.54 cm = 1 in

1 kg = 2.2 lb
Term
How to calculate BMI
Definition
weight in pounds * 703
————————————————————————
height in inches²
Term
Activity Factor Multipliers
Definition
Sedentary (little or no exercise)=1.2

o Lightly active (light exercise/sports 1-2 days/wk)=1.375

o Moderately active (moderate exercise/sports 3-5 days/wk)=1.55

o Very active (hard exercise/sports 6-7 days/wk)=1.725

o Extra active (very hard exercise/sports & physical job or 2x per day training)=1.9

*Even higher for some ultra-endurance athletes, firefighters, etc = 4+
Term
PID
Definition
Pelvic Inflammatory Disease
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