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Chapter 12 Lecture Slides Pregnancy

Chapter 12 Lecture Slides Pregnancy - Chapter 12 Life Cycle...

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Chapter 12 Life Cycle  Nutrition   Pregnancy through  Infancy
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Why Is Good Nutrition Essential for a Healthy Pregnancy? How does a baby begin developing? Full-term pregnancy:  40 weeks First two weeks after conception: zygote attaches to uterine  wall Placenta and embryo (2-8 weeks) develop Placenta:  common tissue between mother and embryo where  nutrients, oxygen, waste products exchanged through umbilical cord Fetus after eighth week of pregnancy
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Stages of Pregnancy and Fetal Development Figure 12.1
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Figure 12.2 The Placenta
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Nutrients and Behaviors of Fathers and a Healthy Pregnancy Be fo re  c o nc e ptio n, fathe rs -to -be  ne e d to  e at we ll  to  pro duc e  he althy s pe rm
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Nutrients and Behaviors of Mothers and a Healthy Pregnancy Before conception, mothers need to adopt a healthy  lifestyle Attain a healthy weight  Get plenty of folic acid at least one month prior to  decrease risk of neural tube birth defects Moderate fish and caffeine consumption
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Fishing for a Healthy Baby http://www.womenshealth.gov/Pregnancy/mom-to-be-tools/fish-facts.pdf http://www.ewg.org/files/fishguide.pdf NOTE: A recent research study found that taking fish oil supplements during pregnancy neither improved infant’s cognitive development nor reduced mother’s postpartum depression (JAMA . 2010;304(15):1717-1718)
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Caffeine & Pregnancy Updated in 2010 : caffeine intake by pregnant  women does not increase the risk of preterm  labor; conclude that intakes less than 300  mg/day should be fine  http://www.medscape.com/viewarticle/729902 American Journal of Clinical  Nutrition March of Dimes still states less than 200 mg of  caffeine/day is best
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Drugs and Alcohol and Pregnancy Avo id c ig are tte s , alc o ho l, bo tanic al  s upple m e nts , and illic it drug s http://www.m arc ho fdim e s .c o m /pre g nanc y/alc o ho l_illic itdrug .htm l 
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Alcohol and Pregnancy Fetal Alcohol Syndrome  - Wo m e n who  drink  he avily during  pre g nanc y at hig h ris k fo r infants   with m alfo rm atio ns  and re tarde d phys ic al and  m e ntal de ve lo pm e nt He avy drinking  in firs t half o f pre g nanc y c lo s e ly 
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