Preconception Care Flashcards

1
Q

“New” Focus

A

Primary care - preparation of the best pregnancy outcome

Risk assessment

Health Promotion

Optimize management of any preexisting medical conditions

  • BP control in HTN
  • BG control in DM
  • Remission or control in eating disorders
  • Compliance to gluten free diet in celiac
  • Compliance to low phenylalanine in PKU
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2
Q

DGA (2010)

A
  1. <5000 IUD’s Vit A - excess can cause birth defects
  2. Consume Heme iron - ideally with Vit C rich foods
  3. Consume synthetic folic acid
  • > 400 mcg/day
  • Supplements or fortified foods
  • All women of childbearing potential should consume synthetic folic acid to minimize risk of neural tube defects
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3
Q

Fe Status

A

Indonesia

  • 50% incidence of Fe deficiency anemia during pregnancy
  • Couples planning marriage are counceled on Fe supplementation
  • 30-60 mg/day, incidence of Fe deficiency as dropped by almost half
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4
Q

Multivitamin

A

decreases risk of preterm delivery from 12-5%

Decreases risk of preeclampsia (high BP) during pregnancy

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5
Q

Interventions

A

High risk pregnancy groups

Immunization

Nutrition counseling

Supplementation

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6
Q

Oral contraceptives

A

Increased risk for thromboembolism

Increased risk of cervical cancer

Nutrition related side effects

  • Increase TG 30% and chol 6%
  • Decrease B12 levels 33%
  • Increase Cu
  • <1/2 oz licorice/day to avoid BP and fluid retention
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7
Q

Contraceptive Injections

A
  • Irregular Periods
  • Fatigue
  • Abdominal pain
  • Nutrition Side effects
    • weight gain (12 lbs in first year)
    • Lower bone density
    • low HDL, high LDL
    • Increase insulin
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8
Q

Contraceptive Implants

A
  • Erratic vaginal bleeding
  • weight gain - 9 lbs in first year
  • headaches
  • Acne
  • Ovarian cysts
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9
Q

Contraceptive Patches

A
  • Chol and TG
  • Thromboembolism risk
  • Less effective when >198 lbs
  • Breast soreness
  • Headaches
  • Abdominal Pain
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10
Q

PMS

A

Life-disrupting physiologic and psych changes prior to menses

Cause unknown

Nutrition

  • Ca - 1200 mg/day
  • B6 - 50-100 mg/day (UL = 100mg)
  • Chaseberry Extract - 20 mg/day
  • Decrease caffeine
  • Increase Mg and Vit D
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11
Q

Infertility

A

Lack of conception after one year of unprotected intercourse

40% conceive within 3 years (without technology)

~15% of all couples in western world are involuntarily childless

~18% of all couples are sub-fertile (multiple miscarriages, sperm abnormalities, ovulation abnormalities) - but can **conceive with intervention **

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12
Q

Fertility BMI

A

lower in women with BMI <20 or >30

Lower in men with BMI >35

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13
Q

Body Fat

A

impaired fertility if waist >35 inches

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14
Q

Obese Men

A
  • Decreases
    • Testosterone
    • Sex hormone binding globulin
    • Sperm count and motility
  • Increases
    • Estrogen
    • Leptin
    • FSH oxidative stress, inflammation
    • Malformed sperm
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15
Q

Obese Women

A
  • Increase
    • Estrogen
    • Testosterone
    • Leptin
  • Decrease
    • Sex hormone binding globulin
  • Oxidative Stress
  • Inflammation
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16
Q

Undernutrition

A

Acute undernutrition: weight loss, dieting, famine

10-15% weight loss

- Decrease fertility in normal weight women and men

  • Recovers when nutrition improves

Modifies menstrual hormones in women

Impairs sperm maturation in men - sperm production ceases with 25% weight loss

17
Q

Lower Estrogen Levels

A
  • Vegetarian diet
  • Low fat <20% diet
  • High fiber diets >25 g/day
  • High soy intake
18
Q

High Soy

A

High = 200 mg/day

  • Longer menstrual cycle
  • Fewer menstrual cycles over lifetime
  • Decrease FSH and LH
19
Q

Caffeine

A

Conflicting Research

Excess intake = prolonged time to conception

300-500 mg coffee, tea, soda

May increase **risk of miscarriage **

20
Q

Alcohol

A

Decrease estrogen

1-5 drinks/week lowers conception

Inconsistent literature

21
Q

Male Fertility

A
  • Low Zinc intake <5 mg/day
  • Alcohol abuse
    • Direct toxic effect to testes
    • Decreases testosterone
  • Environmental exposure
    • Heavy metals
    • Halogens
    • Glycols
    • Hormones
  • Heat
    • Hot tubs
    • Truck drivers
    • Welders
  • Steroids