preg breast - Chapter 13: Pregnancy and Breastfeeding...

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Chapter 13: Pregnancy and Breastfeeding
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Planned Pregnancies Have The Best Outcome Many practices can be harmful to the fetus Minimize exposure even prior to conception Nutrition is important 50% of all pregnancies are unplanned
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The First Trimester First 13-14 weeks of pregnancy Formation of a zygote Rapid increase in cell number and size Nutritional deficiency or toxicity can be harmful ~ half of all pregnancies miscarry during the first trimester Medication, drugs, radiation, trauma can also be harmful
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Thalidomide Used for relief of morning sickness Used for relief of morning sickness 1957 (Europe) 1957 (Europe) No teratogenicity studies No teratogenicity studies Not approved in US Not approved in US Limb malformations Limb malformations Between 3 Between 3 rd rd and 8 and 8 th th week of gestation week of gestation 1 pill (100 mg) ! 1 pill (100 mg) !
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Between 1958 and 1962, over 12,000 babies in 48 Between 1958 and 1962, over 12,000 babies in 48 countries were born terribly deformed countries were born terribly deformed
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The Second Trimester Begins to look more like an infant Still can be affected by toxin exposure Deposit of (2-4 lb.) of breast tissue and fat tissue for the mother Nutritional deficiency at this time will affect mother’s ability to breastfeed
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The Last (3rd) Trimester Rapid growth Deposition of fat, calcium, and iron to the fetus during the last month Baby may deplete mom’s store of iron if there is low intake
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A Successful Pregnancy Mother’s physical and emotional health 35-39 weeks gestation at the time of birth Sufficient lung development The longer the gestation, the less the health risk Birth weight > 5.5 pounds
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Low-Birth-Weight Infants Weighing less than 5.5 pounds at birth Usually due to preterm births Small for gestational age Are full term babies Low birth weight
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Energy Needs During Pregnancy Balanced and adequate diet during the first trimester 300 extra kcal per day during the 2nd and 3rd trimester Seek nutrient dense foods Adequate weight gain is the best predictor of outcome
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Recommended Weight Gain During Pregnancy 2 - 4 lb. of weight gain during the 1st trimester
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This note was uploaded on 06/23/2011 for the course NUTRITION 210 taught by Professor Dr.bomser during the Spring '11 term at Ohio State.

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preg breast - Chapter 13: Pregnancy and Breastfeeding...

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