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Chapter 11 Life Span Health Promotion: Pregnancy, Lactation,
HSC 103
79
Science
Undergraduate 1
08/02/2010

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Term
Estrogen promotes?
Definition
The growth of the uterus and breasts during pregnancy and renders the connective tissues in the pelvic region more flexible in preparation for birth.
Term
How much does the basal metabolic rate rise each term of a pregnancy?
Definition
15%-20%
Term
What does the fetus use as its primary energy source?
Definition
glucose
Term
When does plasma volumes double during pregnancy?
Definition
Second trimester
Term
What is one of the results in the increase of plasma volume during pregnancy?
Definition
hemodilution
Term
What is hemodilution?
Definition
dilution of the blood
Term
What increases in the kidneys to accommodate the expanded maternal blood volume and to carry away fetal waste products?
Definition
Glomerular Filtration Rate (GFR)
Term
PRogesterone may slow GI motility during pregnancy leading to? (3)
Definition
1. constipation
2. heartburn
3. delayed gastric emptying
Term
What are the 3 components to maternal weight gain?
Definition
1. maternal blood composition changes including increased blood and extracellular fluid volume
2. the maternal support tissues such as the increased size of uterus and breasts
3. The products of conception including the fetus and placenta
Term
Failure to gain adequately during what trimester leads to what?
Definition
1. 2nd trimester
2. leads to low birth wieght of infant
Term
In calories, what is the total energy cost of pregnancy?
Definition
68,000 kcal or 80,000 kcal
Term
What is the current recommendation for extra calories a pregnant women should consume per day?
Definition
300 extra kcals during second and third trimester
Term
What is the recommendation for protein for a pregnant women?
Definition
60g/day
Term
What does excessive vitamin A or D cause?
Definition
birth defects
Term
What is folate important for in pregnancy?
Definition
prevention of neural tube defects
Term
Because 30 mg/ day of iron is hard to fit in a diet, what should women take starting what trimenter?
Definition
30 mg ferrous iron daily beginning the second trimester
Term
What is the most common complications of pregnancy?
Definition
iron deficiency anemia
Term
Where does the fetus store iron the first 4 months of life?
Definition
liver
Term
What is a teratogen?
Definition
an agent capapble of forming a malformation or defect in an unborn fetus.
Term
What are potential teratogens? (4)
Definition
1. caffeine
2. alcohol
3. drugs
4. tobacco
Term
OTher concerns affecting the course and outcome of pregnancy include? (6)
Definition
1. strenous exercise
2. maternal age
MEDICAL CONDITIONS THAT REQUIRE NUTRITION INTERVENTION:
3. hypertension
4. diabetes
5. phenylkatonuria
6. HIV
Term
What amount should women have of caffeine during pregnancy?
Definition
Moderately
Term
Should women take over the counter drugs druing pregnancy?
Definition
no.
Term
What over the counter drug causes craniofacial abnormalities and microcephaly?
Definition
isotretinoin (Accutane) is an acne medication
Term
Why is Accutane so dangerous during pregnancy?
Definition
It contains high levels of retinoic acid in a vitamin A analog.
Term
what is microcephaly?
Definition
abnormally smallness of head with brain underdevelopment.
Term
Is there any safe level of alcohol during pregnancy?
Definition
no.
Term
What does Fetal Alcohol Syndrome effect? (2)
Definition
1. anatomic
2. Central
NERVOUS SYSTEMS
Term
What does smoking tobacco during preganacy cause? (5)
Definition
1. prematurity
2. low birthweight
3. placenta previa (location in lower uterine wall)
4. abruptio placentae (seperation from uterine walls)
5. Sudden Infant Death Syndrome (SIDS)
Term
Women who become pregnant after age 35 have distinct?
Definition
nutritional needs
Term
What is preclampsia also known as?
Definition
pregnancy induced hypertension
Term
What is preeclampsia?
Definition
A sudden rise in arterial blood pressure accompanied by rapid weight gain and marked edema during pregnancy.
Term
Preeclampsia is one of the leading causes of what? (2)
Definition
1. prematurity
2. maternal and fetal death
Term
Preeclampsia may progress into?
Definition
eclampsia
Term
Eclampsia may result in?
Definition
seizures
Term
Because pregnancy affects insulin requirements, What is beneficial to the health birth outcomes if someone has diabetes?
Definition
Control of glucose levels and avoidance of ketosis by adjusting nutrient intake.
Term
What is gestational diabetes mellitus?
Definition
A form of diabetes occuring during preganancy; usually after the 20th week of gestation.
Term
What is phenylketonuria?
Definition
inborn error of metabolism characterized by extremely low levels of the enzyme phenylalanine hydroxylase.
Term
Phenylalanine catalyzes the conversion of?
Definition
phenylalanine to tyrosine
Term
How is phenylketonuria cured?
Definition
By adhereing to a strict low diet of phenylalanine and supplemented with tyrosine.
Term
If a person does not know they have phenylketonuria or fails to follow the strict diet what can occur?
Definition
irreversible mental retardation
Term
Mothers with untreated PKU have a high likelihood of experiencing?
Definition
1. spontaneous abortion
BABY WITH:
2. microcephaly
3. mental retardation
4. congential heart defects
5. intrauterine growth retardation
Term
In the U.S. most of the female cases of HIV are women of?
Definition
childbearing age
Term
Should anacids be taken during pregnancy?
Definition
No, only with permission from primary care provider.
Term
Does heartburn usually subside after delivery of an infant?
Definition
yes.
Term
What is constipation during pregnancy usually due to?
Definition
progesterone that slows GI motility
Term
How long should a mother breastfeed?
Definition
first 12 months
Term
What are the two hormones involved in lactation? (2)
Definition
1. progesterone
2. estrogen
Term
What does progestrone function in when it comes to lactation?
Definition
Stimulates lobules and aveoli to increase in size and number.
Term
What does estrogen do when it comes to lactation?
Definition
Stimulates proliferation of the ductal system.
Term
What two hormones set off the lactation process?
Definition
1. oxytocin
2. prolactin
Term
What is colostrum?
Definition
The fluid secreted from the breast during late pregnancy and the first few day postpartum; contains immunologic active substances (maternal antibodies)and essential nutrients.
Term
Common colds, the flu, and even most illnesses requiring short-term antibiotic therapy do not require cessation of breastfeeding. (True or false)
Definition
True
Term
Should infants have a restircted fat intake?
Definition
no
Term
What is found in human milk? (2)
Definition
1. cholesterol
2. fat (particularly omega-3 fatty acids)
Term
When can cows milk be fed to an infant?
Definition
after one year of age if 2/3 of energy is coming from other food.
Term
Infants who are introduced to solid foods before 4-6 months may be prone to? (3)
Definition
1. excessive kcal intake
2. food allergies
3. GI upset
Term
What does babby bottle tooth decay most commonly affect? (BBTD)
Definition
maxillary incisors
Term
Progesterone promotes?
Definition
development of the endometrium and relaxes the smooth muscle cells of the uterus.
Term
In other words, what is the hemodilution effect?
Definition
MEasured components in the plasma such as
1. Hemoglobin
2. serum proteins
3. vitamins
will appear to be at lower levels during pregnancy.
Term
What are the increased risks if you are obese and pregnant?(4)
Definition
1. operative delivery
2. increased maternal pastpartum weight
3. gestational diabetes
4. other long-term health consequences
Term
What is the DRI of folate for pregnant women?
Definition
600 mcg/day
Term
The U.S. Public Health Service and the American Academy of pediatrics now recommend all women of childbearing age to recieve a daily intake of?
Definition
400 mcg of synthetic folic acid
Term
What are the specific anantomic defects of fetal alchol syndrome? (4)
Definition
1. low nasal bridge
2. short nose
3. flat midface
4. short palpebral fissures
Term
What is the most common complications of pregnancy?
Definition
iron defiency anemia
Term
When does preeclampsia occur?
Definition
after 20 weeks of gestation
Term
What are 2 risk factors for preeclampsia?
Definition
1. 19 years or younger
2. 40 years or older
Term
If nothing is done to help with maternal phenylketonuria what can happen to the infant?
Definition
mental retardation
Term
Why does constipation occur in the first trimester?
Definition
progesterone
Term
Why does constipation occur in the second trimester?
Definition
fetus crowding internal organs
Term
Wha helps with heartburn during pregnancy?
Definition
drinking fluids in between meals rather than with meals.
Term
When does nausea and vomiting generally subside in pregnancy?
Definition
2nd trimester
Term
What hormones set off the lactation process? (2)
Definition
1, prolactin
2. oxytocin
Term
what is oxytocins function?
Definition
Initiates uterine contractions and has a role in the ejection of milk.
Term
What is prolactins function?
Definition
milk synthesis
Term
What is the energy cost of milk per day?
Definition
500-800 kcals
Term
What fatty acids have been found to be essential in proper brain and nervous system development?
Definition
omega 3 fatty acids
Term
As a preventive measure, U.S. hospitals give infants what after birth?
Definition
.5-1 mg of vitamin K by injection or 1-2 mg vitamin k orally
Term
The delay in cow's milk consumption reduces the risk of developing a?
Definition
milk allergy
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