Summary SCI 228 WEEK 7 ILAB, PRENATAL LIFECYCLE AND NUTRITION

Week I7 I- ILab IAssignment
SCI228


Prenatal ILifecycle Iand INutrition

Prenatal Iis Idefine Iby IGoogle Ias I“before Ibirth” Ior Iduring Ipregnancy. IThere Iis Ino Ispecific

age Ifor Ithis Ilifecycle, Ias Iwomen Ican Ibirth Ichildren Ifrom Iearly Iteens Ito Itheir I50s. INutrition Iis
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I important Iprior Ito Iconception, Iduring Ipregnancy Iand Iafter Ithe Ibirth Iof Ian Iinfant. IPregnancies,

when Ifull-term Iusually Ilast I37-42 Iweeks, Ifrom Ithe Ifirst Iday Iof Ithe Ilast Imenstrual Icycle, Ito Ithe Iday
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the Ibaby Iis Iborn. IThis Itime Iperiod Iis Idivided Iin Ito Ithree Itrimesters, Iwith Ieach Ione Ilasting Ibetween
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12-14 Iweeks I(Stickler, I2014).
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By Ithe Iend Iof Ithe Ifirst Itrimester, IStickler I(2014) Inotes Ithat Ia Ibaby Iwill Ihave Ideveloped Iall

of Iits Iorgans.
I The Imother Ishould Iaim Ito Iconsume Ithe Isame Iamount Iof Icalories Ias Ibefore,
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ensuring Ian Iadequate Isupply Iof Ifolic Iacid Iwhich Ican Ihelp Iprevent Ineural Itube Idefects. I The
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I number Iof Icalories Iconsumed Idaily Ishould Iincrease, Iaccording Ito IPruitt Iet Ial I(2010), Iby I350-

400kcal Iduring Ithe Isecond Iand Ithird Itrimesters. IThey Ipoint Iout Ithat Iit Iis Iimportant Ito Ieat Inutrient-
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dense Ifoods, Ias Imacronutrient Irequirements Iincrease Iby I50% Iduring Ithis Itime I(pg. I706).
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Nutrition

During Ipregnancy, Ithere Iis Ian Iincreased Ineed Iby Ithe Imother Ifor Imacronutrients. IThe Iextra

macronutrients Iare Ineeded Ias Ithe Iblood Ivolume Iof Ithe Imother Ihas Iincreased. I They Iare Ialso
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I needed Ito Isupport Ithe Igrowth Iof Ithe Iplacenta, Iuterus, Iand Ithe Ifetus I(Pruitt Iet Ial, I2010, Ipg.707), Ias

well Ias Iproviding Ithe Imother Iwith Iadequate Inutrients Ito Iensure Iher Iown Ihealth Iis Imaintained.
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I Macronutrients Iare Iessential Iduring Ithis Istage Iof Ithe Ilifecycle Ias Ithey I“provide Inecessary Ienergy

I for Ibuilding Itissue. IThey Iare Ialso Ithe Ibuilding Iblocks Ifor Ithe Iphysical Iform Iand Istructure Iof Ithe

I fetus, Ias Iwell Ias Ifor Iother Ipregnancy-associated” I(pg.706).

, Below Iare Ithe Itypes Iof Imicronutrients Ithat Iare Iimportant Iduring Ipregnancy Iand Ithe

recommended Idaily Iintake:
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Protein I(71g): I Required Ifor Icell Ibuilding Ifor Iboth Imother Iand Ibaby.

Carbohydrates I(175g): IProvides Ienergy Ito Isupport Ia Igrowing Ibaby. I Carbohydrates Icontain

I many Iother Inutrients Iincluding Ifiber.

Fat I(65g): IEssential Ifor Ithe Ibuilding Iof Inew Icells Iand Itissue. ISource Iof Ifuel Ifor Ia Inewborn Ibaby.

I Folate I(600ug): I Required Ifor Icell Idivision, Ithe Iformation Iand Iclosure Iof Ithe Ineural Itube Ias Iwell

as Ithe Ispinal Icord Iand Ithe Ibrain. IA Ilack Iof Ifolate Iduring Ipregnancy Ican Icause Imacrocytic Ianemia
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and Iis Ialso Ilinked Iwith Ia I“low Ibirth Iweight, Ipreterm Idelivery, Iand Ifailure Iof Ithe Ifetus Ito Igrow
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properly” I(Pruitt Iet Ial, Ipg. I707). IBecause Ifolate Iis Iextremely Iimportant Ito Ia Ibaby’s Idevelopment,
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women Iare Iadvised Ito Itake Ia Idaily Ifolic Iacid Isupplement Ito Iensure Itheir Ineeds Iare Imet.
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Vitamin IB12 I(2.6ug): IImportant Ifor Ithe Idevelopment Iof Ithe Inervous Isystem. IIt Iis Ipossible Ithat

children Iborn Ito Imothers Iwho Ihad Ia Ivitamin IB12 Ideficiency Iduring Ipregnancy, Iare Iat Irisk Iof
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I insulin Iresistance Iwhich Ican Ilead Ito Iobesity I(Richards, In.d.).

Vitamin IC I(85ug): INeeded Ifor Ithe Iproduction Iof Icollagen. IThe Ipossibility Iof Ideveloping

preeclampsia, Ihaving Ia Ipreterm Ibirth Iand Ipremature Irupture Iof Iplacental Imembranes Iis Ihigher Iin
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I mothers Iwho Ihave Ia Ivitamin IC Ideficiency I(Puitt Iet Ial, Ipg.708).

Vitamin IA I(770ug): I Too Imuch Ivitamin IA Iin Ithe Idiet Ican Icause Ifetal Iabnormalities.

Calcium I(1000mg): INo Iadditional Iamounts Iof Icalcium Iare Irequired Iduring Ipregnancy, Ihowever

calcium Iis Ineeded Ifor Ithe Idevelopment Iand Igrowth Iof Ithe Ifetal Iskeleton.
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Iron I(27mg): IWebmd.com Isuggests Ipregnant Iwomen Ineed Itwice Ias Imuch Iiron Ias Ibefore Ito Imake

extra Iblood. I A Ideficiency Iin Iiron Ican Ilead Ito Iiron Ideficiency Ianemia Iwhich Ican Icause Ia Ibaby Ito
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I be Iborn Iearly.