Teen Growth

Teen development: What parents should expect during the teen years

Parents should expect the following growth milestones during their children’s preteen and teen years:

  • Acne: Part of the physical changes that go along with puberty are changes in the endocrine system - the glands that, among other tasks, produce the oil that lubricates the skin. During the teen years, those glands seem to work overtime, and oily skin - or skin that is oily in some parts and fairly dry in other parts - becomes the rule. Often, the oiliness leads to blocked pores and pimples.
  • Allergies: We’ve seen a huge increase in allergies of all kinds in recent decades. A common pattern is for allergies to show up in the preschool years, then diminish after age six or seven, and then reappear after puberty. Children who did not have asthma when they were younger may develop it in their teen years.
  • Anemia: When girls menstruate each month, the amount of blood lost is actually quite small - a few teaspoons. However, that blood contains part of the body’s store of iron. If your daughter’s iron stores are not high to begin with, she may lose enough over a few months to become anemic. Boys, too, can become anemic if their diets are low enough in iron, although this is less common. Anemia’s signs are pale skin and unusual tiredness.
  • Breast size: Some young girls develop breasts that are uncomfortably large. If they are experiencing back pain and physical discomfort as a result, breast reduction surgery may be recommended. It’s important, though, to wait until they finish growing, as some will "grow into" breasts that seemed abnormally large at first within a year or so.
  • Cold sores: Cold sores are caused by a herpes virus and can be transmitted by kissing, sharing drinks and so on, so the teen years are a common time to pick these up. Like the more serious genital herpes virus, there is no cure for cold sores, and they will continue to recur at times of stress or illness. Topical medications may relieve the pain and reduce the amount of time that the cold sore is visible, but the virus remains dormant in the system until the next time the immune system is weakened.
  • Growing pains: The rapid growth that is typical of puberty can produce growing pains as the muscles and bones are temporarily out of sync with each other. In some cases, the bones in the leg grow quickly and cause a condition known as Osgood Schlatter’s disease, leading to pain in the knee area whenever the teen runs or walks.
  • Menstrual problem: Irregular periods are normal in the early stages of puberty as the body sorts out menstrual cycles. Usually, things settle down into a more predictable pattern after the first year or so. In some sense, menstruation is a reflection of the body’s general health. Irregular or absent periods often indicate that the girl is underweight, is under a lot of stress or has other health problems (a fever, for example, can delay or suppress ovulation for a time). Heavy periods can also be the result of stress and anemia. They are also common when the periods are irregular because the lining of the uterus (which is what makes up the blood lost during menstruation) has more time to build up.
  • Cramps: Many women and girls have some twinges or odd sensations, but nothing they would describe as painful. For others, however, each monthly cycle brings one or more days of real pain.
  • Menarche: Puberty is a time of changes. For young girls, a defining event during this developmental process is menarche, which is defined as "the beginning of the menstrual function." Menarche can be a stressful time for young girls, and the event is often met with mixed emotions. Like many other changes associated with puberty, it can be confusing. Many girls experience fear and anxiety related to the first menstrual cycle, largely because of misinformation, or more frequently, lack of information.
  • Mononucleosis: Known as "the kissing disease," this virus is transmitted from one person to another by routes other than just kissing but does seem to strike teens at an age when they are just beginning relationships with the opposite sex. The symptoms include headache, swollen glands in the neck and throat - sometimes so swollen that swallowing is very painful - and extreme tiredness. Some have a high fever and aching muscles as well.
  • Twelve-year molars and wisdom teeth: Perhaps you thought teething was over, but teens may experience considerable discomfort as these last permanent teeth emerge. The twelve-year molars usually appear early in the teen years but are sometimes delayed. Wisdom teeth can appear in the late teen years, and if they are emerging crooked or in a way that interferes with other teeth, they may have to be removed by the dentist.
  • Twisted testicles: This sounds bad, and it is. When boys enter puberty, their testicles gradually descend further into the sac, which holds them in place. This is necessary to keep the testicles at a lower temperature than the rest of the body so that sperm can be produced successfully. However, sometimes, as the testicles descend, a twist or kink develops in the cord that attaches the testicles to the pelvic area. As you can imagine, this causes a great deal of pain in the groin.
  • A lump in the breast: This is highly unlikely at this age. Your teen is probably feeling a breast bud - the firm tissue that is an early step in the normal development of the breast. It feels like a flattened round lump behind the nipple, and boys get them as well as girls.
  • Fat: Both boys and girls usually gain some weight before they begin their growth spurt and get taller. If they don’t gain that weight first, they may not reach their expected adult height. Reassure your teen that this is normal and they will soon “grow into” that extra weight. Girls also worry at times because, with puberty, they develop hips, and their jeans don’t fit the way they used to.

Knowing what to expect as your child enters and navigates the teen years will allow both you and your teen to deal with these changes more comfortably. The most important thing is that you keep the lines of communication open so that your teen can ask questions and let you know if they are experiencing anything unusual.

By Noble Samuel Duru
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how come I am 17 and have'nt gone thought puberty I have a chronic kidney problem and is there some medicen that will help me you can email me at codydables@live.com
Posted on 11/13/2009 3:50:00 AM by Anonymous
kk so my ginni pig is pregnat and she has been having her period ALOT so i sorda wanted to know if ginni pigs are born with a sack like a cat im scared she wont save it
Posted on 11/10/2009 6:26:00 PM by Anonymous
im 18 yaers old and i havent stared my period, FLASH BACK, i was young at materation. i was so ready. i was cheaking my panties every 5 minutes. then i started my discharge. REAILTY, for 8 years now iv been waiting. whats wrong with me.
Posted on 11/10/2009 6:07:00 PM by Anonymous
im a girl and its kind of scary cause im 8 and i started my period gess where in school i asked to go to the bathroom i had blood all over my under ware and pants it was so inberrising
Posted on 11/10/2009 5:59:00 PM by Anonymous
is it normal that im13 and i have really really long penus and i dont have any pads or tampons should i use toilet paper?
Posted on 11/6/2009 7:27:00 PM by Anonymous
Why is there no photos of early puberty and real photos of boys with chest hair without the face. There are alot of vid of boys doing x rated sex but their is no photos of real boys with showing no face and only showing age growth of ages with early puberty and visual chest hair.
Posted on 11/6/2009 3:15:00 PM by Anonymous
im a girl and i have pubic hair already and my friend said to shave it away and that it wont come back . is that true, should i do it?
Posted on 10/25/2009 7:52:00 PM by Anonymous
im a 10 year old girl and my friend started her period already and im really scared that i will to. what should i do?
Posted on 10/25/2009 7:50:00 PM by Anonymous
Im 14 years old and my penis is big i show it 2 girls and they said it itz biggg :itz that normal
Posted on 10/13/2009 2:12:00 AM by Anonymous
Periods are very painful at times.
Posted on 10/1/2009 6:39:00 PM by Anonymous
i am 13 and my penis is about 5 inches and i have a fair amount of pubic hair and i don`t much about puberty.
Posted on 9/6/2009 10:45:00 PM by Anonymous
IF i shave my pubic hair will that keep it from growing later on?
Posted on 8/30/2009 12:10:00 AM by Anonymous
dear concerned 12 year old, im sorry, but it is not normal that you are having a period every two weeks, especially after a year, i would suggest consulting a doctor, good luck
Posted on 8/25/2009 10:10:00 PM by Anonymous
hey, im 12 1/2 i feel so late, i have breast buds, they came in a long time ago to, but i really am not making any more progress. my mom told me to wear a bra and shave my underarms, but shes not any more help to me now, i have lots of pubic hair, every once in a while i have a discharge, but nothing else happens, when will more stuff start?! and i masturbate once or twice a day, is that effecting it at all?
Posted on 8/25/2009 9:54:00 PM by Anonymous
Hey I'm 14 and i have a steady girlfriend. Our relationship is getting more intimate and my penis is still 3 inches. It's really embarssing especially if we do go on in our relationship, what should i do???
Posted on 8/23/2009 9:25:00 AM by Anonymous
im 11 just had my peroid 2 days ago and trust me u dont ever went 2 have it i have big boobs and hair on my vagina amd that is not wierd at all because i started gettin bras when i was 8 years old and ever since i had my peroid i have been gettin on everyones nerves and i am the first 1 out of all of my bff and they r so mad at me but i cant control if i have my peroid or not
Posted on 8/16/2009 10:34:00 PM by Anonymous
i am 11 i haven't had my period yet but i feel this lump in my breast a nd mine r smaller than my frends i hate it and my height it sucks 2 be the shortest of everybody and i have really bad acne i have 2 go from acne product 2 the next product i just want 2 find the right product 2 use i'm black and just can't find the right product can u helo me
Posted on 8/6/2009 10:28:00 AM by Anonymous
i am an 11 year old female and i hit puberty 3 years ago and my breasts are smaller than my friends' and they are 9
Posted on 8/1/2009 6:03:00 PM by Anonymous
i am 14 and my penis is 5in fully erect i have alot of pubic hair but no armpit hair my voice is starting to crackle but i masterbate alot is that why my penis and testies are so big????
Posted on 7/29/2009 9:05:00 AM by Anonymous
does it affect your penis growth if u mastribate???
Posted on 7/28/2009 10:17:00 PM by Anonymous
i am 13 i have been in puberty like 6 mnths and my penis is like 3 1/2 inches i have i fair amount of pubic hair i think but no armpit hair and my voice is high is that normal
Posted on 7/28/2009 10:16:00 PM by Anonymous
My mom wont let me were bras but i need theMM
Posted on 7/22/2009 9:14:00 PM by teengirl1
im a girl and i don't want to know about penises
Posted on 7/21/2009 3:10:00 PM by Anonymous
You guys are all normal. You don't have anything to be worried about.
Posted on 7/21/2009 1:49:00 PM by Anonymous
I am 14 and just basically started puberty and my penis is 4 1/2 inches long is this normal
Posted on 7/19/2009 12:28:00 PM by Anonymous
im 13 and my penis is only like 3 1/2 inches long but i have pubic hair and my leg hairs got longer is this normal
Posted on 7/17/2009 8:28:00 PM by Anonymous
i am a 15 year old male and im worried that my penis size is too small its 4.75", and i was wondering if thats normal for my age. i just hit puberty like 6 months ago i have pubic hair and just started getting arm pit hair my voice cracks occationally.
Posted on 7/17/2009 4:21:00 AM by Anonymous
I am 11 eleven years old and it seems to be that my testicles are growing and have a fairly descent amount of pubic hair but my penis isnt growin very much at all is thuis normal
Posted on 7/16/2009 9:38:00 PM by Anonymous
I am 11 yrs old and my friends all have a much bigger penis than me and there only a few months older than me is my penis going to grow
Posted on 7/16/2009 9:30:00 PM by Anonymous
I am 12 years old and i havnt started my period yet .Is that bad
Posted on 7/16/2009 3:19:00 AM by Anonymous
I am tooooooooo short for a person!!!!!!!!!!!!!!
Posted on 7/13/2009 10:38:00 PM by Anonymous
I have already into cup bras have hair and discharge but I've been wondering is that normal for a girl going into 6th grade?
Posted on 7/13/2009 10:37:00 PM by Anonymous
Im 12 and in sep. i'll be 13. But my penis is only 3 inches fully erected. Is this normal???
Posted on 7/13/2009 6:39:00 PM by Anonymous
im 14 and i hav a lot of pubic hair but im not getting taller or my voice isnt getting deeper shouldnt it by now? my penis is like 4 1/2 inches long but it curves to the left is that normal?
Posted on 7/10/2009 10:32:00 PM by Anonymous
im 12 and im just now going trew puberty i didnt no much of the effects. so i came here and i think anyone that nrrds help going threw puberty should come here. yaw rock!!!!!!!!!!!!!!!
Posted on 7/8/2009 10:14:00 PM by Anonymous
Im 13 and i have slight pubic hair, still high voice, will my penis grow?
Posted on 7/5/2009 3:58:00 AM by Anonymous
im gonna be 12 next month and i still havent had breast development or haad any pubic hair ...is this normal? when will i hit puberty
Posted on 7/2/2009 6:37:00 PM by Anonymous
iif youre getting pains in your lower stomach~id start stocking up in pads or tampons..youre most likely getting your period
Posted on 7/2/2009 2:31:00 PM by Anonymous
Wow there is alot I din't know.
Posted on 6/30/2009 2:56:00 PM by Anonymous
i am 12 and 3/4, and 5'7 and 1/2. i startded growing at age 11 1/2, when will i stop, also my voice has cracked already
Posted on 6/29/2009 10:06:00 PM by Anonymous
im 14 and will be 15 in dec and my boobs are growing so slow i hav like a big nipple under my boobs so does that mean im still growing
Posted on 6/25/2009 2:55:00 PM by Anonymous
hi im 12 and i have sings that im going throght pubery(pubic haor, underarm hair) but my voice hasent changed or my penus haasent gornw
Posted on 6/14/2009 1:45:00 PM by Anonymous
im 16 n i hav all dha signz of pregnancy......im nt pregnant i got checked!!! bt wut iz wrng eit me????
Posted on 6/2/2009 10:55:00 PM by Anonymous
im 11 and i have been having discharge for a month now and now its gone but now i have a painful fealing in my lower stomach what should i do????????? HELP!!!!!!
Posted on 6/2/2009 11:51:00 AM by Anonymous
Im 14 years old and I have stomach fat and i dont like it, is it because im developing?
Posted on 6/1/2009 7:44:00 PM by Anonymous
im 14 and i have stretch marks because i grew so fast. I'm still growing. I'm probably gonna be 5'7'' because of the rate im growing. The problem is that im chubby. Sure, i was chubby before my major growth spurt, but i have retained all that weight. UGH!
Posted on 5/28/2009 3:17:00 AM by Anonymous
I am a 12 year old girl, and not have yet hit my period. AFTER I checked this website it was clear, and it had very good info. thankss for telling me thiss :)
Posted on 5/13/2009 6:10:00 PM by Anonymous
Wow, I never knew all of the predictions of how a girl could get their period. thankss for letting me know :)
Posted on 5/13/2009 6:07:00 PM by Anonymous
Im a male and 16 still have not gone through puberty. Is that normal?
Posted on 4/19/2009 11:55:00 PM by Anonymous
Im a male and 16 still have not gone through puberty. Is that normal?
Posted on 4/17/2009 9:09:00 PM by Anonymous
I'm am 16 and I have not gone through puberty. Is that normal?
Posted on 4/16/2009 11:33:00 PM by Anonymous
i dont ever want to hit it
Posted on 4/10/2009 10:39:00 PM by Anonymous
can u think about bad things while going through normal puberty for like a year or 2
Posted on 4/1/2009 7:57:00 PM by Anonymous
Im a 12 year old girl who's going through puberty and I think this website has wonderful information for anyone who needs or wants to learn more.(Aw3som3 w3bs!t3)
Posted on 3/30/2009 9:00:00 PM by Anonymous
i love this article.
Posted on 3/19/2009 7:26:00 PM by Anonymous
thank u so much now i understand more
Posted on 3/17/2009 4:48:00 PM by Anonymous
pretty much everygirl has already gone through peuberty in my grade i feel real left out!:-( a sad/worried almost 2 year old
Posted on 3/8/2009 9:46:00 PM by Anonymous
how do i know if im going through peuberty. if i seem to have half of the syntems
Posted on 3/8/2009 9:42:00 PM by Anonymous
fuck you douchebags
Posted on 3/6/2009 11:33:00 PM by Anonymous
Im almost 15 and i havent had my period yet, is that normal?
Posted on 3/3/2009 11:01:00 PM by Anonymous
I am 11 years old ANd i have a boyfriend how would I tell my mom?
Posted on 2/19/2009 5:03:00 PM by Anonymous
i am almost14 and i havent had my period yet i am scared should i be? aworriedteen
Posted on 2/18/2009 8:12:00 PM by Anonymous
umm im 12 years old and i have had my period 4 a year and i have 1 every 2 weeks is this normal? worried 12 year old
Posted on 2/16/2009 12:07:00 PM by Anonymous
I think this is a very good website for growing girls with questions.
Posted on 2/11/2009 6:15:00 PM by Anonymous
is your first period supposed to be heavy?
Posted on 1/28/2009 9:52:00 PM by Anonymous
i'm almost 13 and my penis is 4 and a half inches long...is that normal
Posted on 1/21/2009 2:43:00 PM by Anonymous
I'm really happy you have this site, today i was looking for weightloss charts for kids and it took me to your site, though i never found a printoff chart to please my mom i did see stuff about puberty and i've really needed to know about that stuff since i'm very close to period time. THANKS A BUNCH ;-D
Posted on 1/16/2009 9:32:00 PM by Anonymous
thanks! idk its just that everyone else is developed in my school, and im still like this dorky kid, and its so embarressing! thanks a lot though 14-15 year old
Posted on 1/8/2009 5:06:00 PM by Anonymous
to the person who is 14-15 and is worried about their developement . I have the same kind of problem as u, though i can ejaculate most of the time. Anyhow ive spoken to my doctor about my physical developement and hes told me that it is normal to be a late bloomer and that no matter what, the growing will happen, even if it seems unlikely at the time. the range of going through puberty (for males) normally, is 12-15 so don't worry about it, it will "come" in time!
Posted on 12/29/2008 3:19:00 PM by Anonymous
what do i do if i masturbate? is it bad?
Posted on 12/1/2008 8:03:00 PM by Anonymous
how come i have 1 boob theat is bigger than the other?
Posted on 11/25/2008 9:06:00 AM by Anonymous
to the girls who think going anorexic is good...sure it may make you look thinner...but it soooooooooo unhealthy....eat good and excersise..... this is a better way to go!
Posted on 11/24/2008 10:06:00 PM by Anonymous
I think that puberty is atime were young adults can grow in to mature adults.
Posted on 11/11/2008 10:46:00 PM by Anonymous
this website helped me through a lot of problems in my life... thanks:)
Posted on 10/22/2008 5:56:00 PM by Anonymous
u have a great site
Posted on 10/8/2008 2:45:00 PM by Anonymous
my eight your old granddaughter has hair on her upper lip. She hates it and wants to remove it. It is common in her family on her mothers side but she gets teased alot about having a moustache. Any suggestions for hair removal at her age?
Posted on 9/13/2008 3:29:00 PM by Anonymous
Im almost 18 years old and am having problems with puberty. My nipples become puffy and its embarrasing ive had this for 2 years now. I also do not look close to my age all my friends my age look alot older I look like im only 14-15 and this is really annoying and fusturating for me. If you have any suggestions on how I can boost my male hormones to look my age and get rid of these puffy nipples please reply- Age 17 Male
Posted on 9/6/2008 12:40:00 AM by Anonymous
To the pregnant 16 yr old. Be strong! You are doing the right thing. If you need some moral support find you local pregnancy help center. The staff there will be very suppotive of your decision & encourage you & give you the tools you'll need to raise your baby. I was got pg before getting married now my son is 13 yrs old & I am so glad that I made the choice to keep him. It's hard work being a mom but if you invest in them (love them & make them a priority) they will be the best thing that ever happens to you.
Posted on 8/21/2008 2:26:00 PM by Anonymous
to the girl with the stolen bra talk to a woman you trust preferbly in your family also do you need a real bra maybe you just need a training bra and if all else fails buy a new one and don't tell your dad then hide it if those don't work comment again and I'll try again don't try to steal it back he might get mad
Posted on 8/3/2008 4:17:00 PM by Anonymous
this info really helped my sis and i on alot of stuff! THANX =)
Posted on 7/16/2008 3:08:00 PM by Anonymous
this helped my sister alot thanks
Posted on 6/16/2008 9:04:00 AM by Anonymous
it was pretty good overall.
Posted on 6/15/2008 6:08:00 PM by Anonymous
This is for the 16 year old who is pregnant. I Totally support you! Okay it's not an amazing thing to have a baby at 16 but some of us screw up. I don't think that the world should think of those who do so badly. I think that a baby is a gift and you should treasure it regardless of age. I think that the world is corrupt to think that a baby or a mother is any less of a good person because of something like this. It doesn't make since to me! Anonymous- Age 13
Posted on 5/31/2008 2:06:00 AM by Anonymous
Man, I'm 16 yrs. old and pregnant, and I know that I messed up. But my fienc'e and I will love our son no matter what. We're actually really excited!!!!! I would never put my baby up for adoption or abandon it in any way!
Posted on 5/27/2008 6:39:00 PM by Anonymous
EWWWWWW!!! If I wanted to have sex with someone, I would make sure that if I did it unprotected and got pregnant, that I would have NOTHING to regret. I don't want kids until I am like ... 25, so why risk getting pregnant when you are only a kid and have to put the baby up for adoption?? Anonymous - Age 11
Posted on 3/2/2008 11:29:00 AM by Anonymous
Wow, there is some interesting things posted. LMAO. Umm first of all, everyone should know :DO NOT TRY TO RUSH YOURSELF INTO MATURITY! Trust me I was just like you girls. I was small and i wanted to hurry up and get my period and grow boobs. Well once you get all of the things that you've been wishing for, you realize that its not so great after all. I mean sure, being a woman and developing is a great thing, but seriously, enjoy childhood while you can. Eventually *no matter what* you will mature, and you will be like that for the rest of your lives! What you are at now is only for a small fraction of your life so enjoy it now. KW- AGE 14
Posted on 2/18/2008 3:06:00 PM by Anonymous
This is to all of the ones that are not even old enough to have a job and to those that have a job but can barely take care of themself don't go having sex and risk contracting an STD or making a baby that will not be taken care of or maybe not wanted try to get a good education first and become a responsible person so when you do have sex you have nothing to regret.
Posted on 2/15/2008 1:16:00 PM by Anonymous
my dad recently found out that i was having sex. he didnt know what to do, after all im only 14. but after a while he totally accepted me and he now keeps his eye on me. however he bought me condoms to make sure that if i was having sex it was safe. talk about one supporting parent!
Posted on 2/14/2008 11:38:00 PM by Anonymous
this is to the girl who is 12! dont rush ur self from maturing. you will start when you are ready to! dont listen to ur friends. maby ur body just takes time! you mature everyday u proabaly just dont notice it! just be patient. you cant really eat anything to make you bigger, just eat well and have the right amount of sleep! you'll mature faster than you know it! trust me! I started maturing when i was 8 yrs old. so just trust me on this! :)
Posted on 2/7/2008 7:26:00 PM by Anonymous
this is to the girl who's asking about the hair on her belly! if you have alittle hair that's fine, but if you have alot, your hormones are to high. you shouldnt worry about your stomach, the most important thing is if you have it on your upper lip and chin!
Posted on 2/4/2008 7:06:00 PM by Anonymous
i have hair around my belly and im a girl is that normal?
Posted on 2/2/2008 12:49:00 PM by Anonymous