Growth and Your 6- to 12-Year-Old (for Parents) - Kids Health

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Kids tend to get taller at a pretty steady pace, growing about 2.5 inches (6 to 7 centimeters) each year. When it comes to weight, kids gain about 4–7 lbs. [SkiptoContent] FindcareatNemoursChildren'sHealthDoctorsLocations SharetoFacebook SharetoTwitter SharetoPinterest KidsHealth/ Parents/ GrowthandYour6-to12-Year-Old GrowthandYour6-to12-Year-Old Reviewedby:MaryL.Gavin,MD Listen Play Stop   Volume   mp3 Settings ClosePlayer LargertextsizeLargetextsizeRegulartextsize Print enespañol Elcrecimientoysuhijode6a12años Askidsgrowfromgrade-schoolerstopreteens,therecontinuestobeawiderangeof"normal"regardingheight,weight,andshape. Kidstendtogettallerataprettysteadypace,growingabout2.5inches(6to7centimeters)eachyear.Whenitcomestoweight,kidsgainabout4–7lbs.(2–3kg)peryearuntilpubertystarts. Thisisalsoatimewhenkidsstarttohavefeelingsabouthowtheylookandhowthey'regrowing.Somegirlsmayworryaboutbeing"toobig,"especiallythosewhoaredevelopingearly.Boystendtobesensitiveaboutbeingtooshort. Trytohelpyourchildunderstandthattheimportantthingisnotto"look"acertainway,butrathertobehealthy.Kidscan'tchangethegenesthatwilldeterminehowtalltheywillbeorwhenpubertystarts.Buttheycanmakethemostoftheirpotentialbydevelopinghealthyeatinghabitsandbeingphysicallyactive. Yourdoctorwilltakemeasurementsatregularcheckups,thenplotyourchild's resultsonastandardgrowthcharttofollowovertimeandcomparewithotherkidsthesameageandgender. HelpingYourChildGrow Normalgrowth—supportedbygoodnutrition,enoughsleep,andregularexercise—isoneofthebestoverallindicatorsofachild'sgoodhealth. Yourchild'sgrowthpatternislargelydeterminedbygenetics.Pushingkidstoeatextrafoodorgethigheramountsofvitamins,minerals,orothernutrientswillnotincreasetheirheightandmayleadtoweightproblems. Acceptingkidsastheyarehelpsthembuildself-acceptance. Puberty Puberty—orsexualdevelopment—isatimeofdramaticchangeforbothboysandgirls.Theageatwhichthephysicalchangesofpubertynormallybeginvarieswidely. Forbothsexes,thesehormone-drivenchangesareaccompaniedbygrowthspurtsthattransformchildrenintophysicallymatureteensastheirbodiesdevelop. Breastdevelopment,usuallythefirstnoticeablesignofpubertyingirls,maybeginanytimebetweenages8and13.Eventsingirlsastheygothroughpuberty: Breastsbegintodevelopandhipsbecomerounded. Theincreaseintherateofgrowthinheightbegins. Pubichairbeginstoappear,usually6–12monthsafterthestartofbreastdevelopment.About15%ofgirlswilldeveloppubichairbeforebreastdevelopmentstarts. Theuterusandvagina,aswellaslabiaandclitoris,increaseinsize. Pubichairiswellestablishedandbreastsgrowfurther. Therateofgrowthinheightreachesitspeakbyabout2yearsafterpubertybegan(averageageis12years). Menstruationbegins,almostalwaysafterthepeakgrowthrateinheighthasbeenreached(averageageis12.5years). Oncegirlsgettheirperiods,theyusuallygrowabout1or2moreinches(2.5to5centimeters),reachingtheirfinaladultheightbyaboutage14or15years(youngerorolderdependingonwhenpubertybegan). Mostboysshowthefirstphysicalchangesofpubertybetweenages10and16,andtendtogrowmostquicklybetweenages12and15.Thegrowthspurtofboysis,onaverage,about2yearslaterthanthatofgirls.Byage16,mostboyshavestoppedgrowing,buttheirmuscleswillcontinuetodevelop. Otherfeaturesofpubertyinboysinclude: Thepenisandtesticlesincreaseinsize. Pubichairappears,followedbyunderarmandfacialhair. Thevoicedeepensandmaysometimescrackorbreak. TheAdam'sapple,orlarynxcartilage,getsbigger. Testiclesbegintoproducesperm. AttheDoctor'sOffice Despitedatacollectedforgrowthcharts,"normal"heightsandweightsaredifficulttodefine.Shorterparents,forinstance,tendtohaveshorterkids,whereastallerparentstendtohavetallerkids. Youmayworryifyourchildisn'tastallasotherkidsthatage.Butthemoreimportantquestioniswhetheryourchildiscontinuingtogrowatanormalrate.Ifyourdoctorfindsaproblem—suchasagrowthratethathadbeennormalbuthasrecentlyslowed—heorshemaytrackgrowthcarefullyoverseveralmonthstoseeifthepatternsuggestsapossiblehealthproblemorisjustavariationofnormal. Ifit'sfoundthatyourchildisgrowingordevelopingtooslowly,thedoctormayorderteststocheckformedicalconditionssuchashypothyroidism,growthhormonedeficiency,orotherthingsthatcanaffectgrowth. Ifyouhaveanyconcernsaboutyourchild'sgrowthordevelopment,talkwithyourdoctor. Reviewedby:MaryL.Gavin,MD Datereviewed:June2019 Moreonthistopicfor: Parents Kids UnderstandingPuberty TalkingtoYourChildAboutPuberty YourChild'sCheckup:6Years YourChild'sCheckup:7Years YourChild'sCheckup:8Years YourChild'sCheckup:9Years YourChild'sCheckup:10Years YourChild'sCheckup:11Years YourChild'sCheckup:12Years YourChild'sWeight YourChild'sGrowth MaleReproductiveSystem SexualDevelopment PrecociousPuberty FemaleReproductiveSystem I'mGrowingUp-ButAmINormal? YourChangingVoice FeelingTooTallorTooShort AllAboutPuberty Self-Esteem BreastsandBras What'sanAdam'sApple? BoysandPuberty FiveThingsGirlsWanttoKnowAboutPeriods Viewmore /content/kidshealth/misc/medicalcodes/parents/articles/growth-6-12



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