Babies: 3 - 6 Months

calculating age...

Just wondering what you say when people ask how old is your LO.  In the beginning we were doing weeks, but the weeks do not translate into months exactly.  My husband now does it by months based on the day she was born.  She was born April 13, so he calculates from the 13th of one month to the 13th to the next.  How do you guys calculate?  I am trying to figure out how old she is...4.5 months?  According to the weeks, she is 5 months!
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Re: calculating age...

  • I thought we all learned while pregnant that 4 weeks is not equal to one month? 

    She is 4.5ish months old. She will be 5 months on 9/13. 

    Baby Boy Born 3.15.11. 8lb 9oz, 21.75in. 6 month stats: 20lb 11oz (92%tile), 30.12in.(100%tile - who knew it went over 99th? Which means 100% of other 6 month olds are shorter than mine!)
  • I have been calculating mine by weeks, and yes, he seems older because of that. I guess it depends if you want to be technical. My son will be 7 months next Wednesday because he'll be 28 weeks, but he was born February 23rd which won't make him 7 months for another 3 weeks. I don't know. I just prefer to do it by weeks since the days of the month differ. Geeked

  • Well your DD 4.5 months according to the months. 

    My DH and I were just discussing this. We asked the pedi this weekend how they calculate it and she said now, by months. So DS won't be 6 months until 10/12, but he'll be 24 weeks on 9/27 (which is 6 months in terms of 4 week intervals).  When people ask, sometimes I say 20 weeks, sometimes I say 4 months.  I think 20 weeks sounds older and DS looks older, so I usually go with that.

    Anything where it is recommended to wait 6 months (taking Motrin, solids, etc.) we'll wait until 10/12.

  • But MissYouDietCoke does have a point. Smile
  • I was confused during my pregnancy, too!  Before being pregnant, I had never heard of pregnancy or a baby's age calculated by weeks.  When people ask, they expect to hear months...the calculation always confused me b/c I would tell people the weeks and the would calculate it into months.  I guess I will just go with the month calculations now!

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  • lol I just round to whatever is closest. So if she's around 3 months, I say that, for example. I have no idea why where people got the idea that a month is EXACTLY 4 weeks. If you ever look at a calendar you will see that it is not.

    Weeks = Monday to Monday

    Months = 1st of Month A to 1st of Month B

  • We were having concerns with this too.  When people would ask I would sometimes reply "well, do you want to know by weeks or what she is technicly" and other parents would just laugh and say I remember that.  Recently my husband does it by the day she was born as well (easier for him to remember).  The way we figured it, if we did it by weeks she would be 13 months old when she actually turned a year LOL.
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  • I will NEVER understand why this is such a difficult concept.  Would you calculate your yearly birthday by weeks?  No?  Didn't think so.  So then why would you calculate months by weeks?  A week is a week, a month is a month.  4 weeks =/= 1 month.
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  • image BrandNewMommy2Be:

    I have been calculating mine by weeks, and yes, he seems older because of that. I guess it depends if you want to be technical. My son will be 7 months next Wednesday because he'll be 28 weeks, but he was born February 23rd which won't make him 7 months for another 3 weeks. I don't know. I just prefer to do it by weeks since the days of the month differ. Geeked

    No, he really won't.  28 weeks =/= 7 months.  It equalst 28 weeks.

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  • image MissYouDietCoke:

    I thought we all learned while pregnant that 4 weeks is not equal to one month? 

    She is 4.5ish months old. She will be 5 months on 9/13. 

    this exactly.  4 wks does not equal 1 month. 

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  • image nic5606:
    image MissYouDietCoke:

    I thought we all learned while pregnant that 4 weeks is not equal to one month? 

    She is 4.5ish months old. She will be 5 months on 9/13. 

    this exactly.  4 wks does not equal 1 month. 

    well, unless it's February in a non-leap year. :) But, ditto nic and the poster w/ the troy polamalu photo in her sig. :)
    Baby Boy Born 3.15.11. 8lb 9oz, 21.75in. 6 month stats: 20lb 11oz (92%tile), 30.12in.(100%tile - who knew it went over 99th? Which means 100% of other 6 month olds are shorter than mine!)
  • image nic5606:
    image MissYouDietCoke:

    I thought we all learned while pregnant that 4 weeks is not equal to one month? 

    She is 4.5ish months old. She will be 5 months on 9/13. 

    this exactly.  4 wks does not equal 1 month. 

    Exactly. How hard is it? DS was born on the 18th, so he's a month older every time the calendar reads the 18th...

    Plus, beyond the first few weeks of life, does it really matter if your baby is x months +/- a week or 2? Do strangers care that much?

    Miles 4.18.11 Baby #2 due 1.26.14
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  • image gymnst1013:
    I will NEVER understand why this is such a difficult concept.  Would you calculate your yearly birthday by weeks?  No?  Didn't think so.  So then why would you calculate months by weeks?  A week is a week, a month is a month.  4 weeks =/= 1 month.

     

    Somethings in life are just hard to understand! 

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  • image runrun26.2:
    image nic5606:
    image MissYouDietCoke:

    I thought we all learned while pregnant that 4 weeks is not equal to one month? 

    She is 4.5ish months old. She will be 5 months on 9/13. 

    this exactly.  4 wks does not equal 1 month. 

    Exactly. How hard is it? DS was born on the 18th, so he's a month older every time the calendar reads the 18th...

    Plus, beyond the first few weeks of life, does it really matter if your baby is x months +/- a week or 2? Do strangers care that much?

    This EXACTLY! Not sure why people have to over think it... Someone asked me yesterday how old my DS was... I didn't go into detail, what do they care? I told them almost 6 months... and as you can see by my ticker he is 5months 2 weeks 6days...

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  • image gymnst1013:
    I will NEVER understand why this is such a difficult concept.  Would you calculate your yearly birthday by weeks?  No?  Didn't think so.  So then why would you calculate months by weeks?  A week is a week, a month is a month.  4 weeks =/= 1 month.

    Seriously.  This question makes me **headdesk**





  • image jpinnacoli:
    image runrun26.2:
    image nic5606:
    image MissYouDietCoke:

    I thought we all learned while pregnant that 4 weeks is not equal to one month? 

    She is 4.5ish months old. She will be 5 months on 9/13. 

    this exactly.  4 wks does not equal 1 month. 

    Exactly. How hard is it? DS was born on the 18th, so he's a month older every time the calendar reads the 18th...

    Plus, beyond the first few weeks of life, does it really matter if your baby is x months +/- a week or 2? Do strangers care that much?

    This EXACTLY! Not sure why people have to over think it... Someone asked me yesterday how old my DS was... I didn't go into detail, what do they care? I told them almost 6 months... and as you can see by my ticker he is 5months 2 weeks 6days...

     

    Ha!  Now you have me REALLY confused.  If we're going by months, does that mean your ticker is incorrect?  Oh well.  You're right, it's not a huge deal, but it has come up multiple times in conversation.

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  • image EDWHIP:
    image jpinnacoli:
    image runrun26.2:
    image nic5606:
    image MissYouDietCoke:

    I thought we all learned while pregnant that 4 weeks is not equal to one month? 

    She is 4.5ish months old. She will be 5 months on 9/13. 

    this exactly.  4 wks does not equal 1 month. 

    Exactly. How hard is it? DS was born on the 18th, so he's a month older every time the calendar reads the 18th...

    Plus, beyond the first few weeks of life, does it really matter if your baby is x months +/- a week or 2? Do strangers care that much?

    This EXACTLY! Not sure why people have to over think it... Someone asked me yesterday how old my DS was... I didn't go into detail, what do they care? I told them almost 6 months... and as you can see by my ticker he is 5months 2 weeks 6days...

    Ha!  Now you have me REALLY confused.  If we're going by months, does that mean your ticker is incorrect?  Oh well.  You're right, it's not a huge deal, but it has come up multiple times in conversation.

    Hmm

    He is 5 months (ie: 1st of month A to 1st of month B), 2 weeks (add 2 actual Mon-Sun weeks) onto that and 6 days (add 6 actual 12:00a-11:59p days) onto that.

     

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  • Good Lord, people. Aside from Feb, our shortest month, there are always more than 4 weeks in a month. So that notion of 4 weeks equalling 1 month just boggles my mind - WHERE did people come up with this?

    DD was born April 28. She just turned 4 months old on Aug 28th so when people ask I simply say "4 months old." In a couple weeks, around mid-Sept I will say "She's 4 and a 1/2 months old" because not until Sept 28th will I be able to say "She's 5 months old."  Nobody really cares in weeks most of the time - a roundabout answer should suffice unless it's your pediatrician and they have a more specific answer (ie weeks) needed.

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  • image kathrnn:

    lol I just round to whatever is closest. So if she's around 3 months, I say that, for example. I have no idea why where people got the idea that a month is EXACTLY 4 weeks. If you ever look at a calendar you will see that it is not.

    Weeks = Monday to Monday

    Months = 1st of Month A to 1st of Month B

    This.  People who ask how old your baby is probably don't need to know specifics.  I usually just round to the closest "even" time.  Like right now A is 2 weeks away from 4 months old (the 14th of sept.) so I say 3.5 months (and have been for over a week now...).  I give people the side eye when they keep counting in weeks forever.  I shouldn't have to do any math to figure out how old your child is. 

    Married 8/9/08
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  • DD just turned 5 months last week, so when people ask me, I say she is 5 months old.  Once we hit the middle of September, I'll say she is 5 months old.  If I were you, I would say your LO is 4.5 months old.
  • image SouthFloridaMommy:
    DD just turned 5 months last week, so when people ask me, I say she is 5 months old.  Once we hit the middle of September, I'll say she is 5 months old.  If I were you, I would say your LO is 4.5 months old.

     Thank you! 

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  • This should be nominated for *dumbest post of the week" award.

    Let me guess-when you were 20 weeks pregnant, you were telling people you were 5 months pregnant, weren't you?

    You really don't need to say 4.5 months. When she hits September 13th, she'll be 5 months. It will be ok if you tell people on September 10th she's 5 months too.  For now, she's 4 months old.

    How is this hard for people? Is there some significant difference between 4-4.5 months that you have to specify? This is so weird to me.

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  • image KC_13:

    This should be nominated for *dumbest post of the week" award.

    Let me guess-when you were 20 weeks pregnant, you were telling people you were 5 months pregnant, weren't you?

    You really don't need to say 4.5 months. When she hits September 13th, she'll be 5 months. It will be ok if you tell people on September 10th she's 5 months too.  For now, she's 4 months old.

    How is this hard for people? Is there some significant difference between 4-4.5 months that you have to specify? This is so weird to me.

     

    Wow...I'm honored to receive such an award.  Especially from a gold poster!

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  • I should also be nominated for "slowest ticker changer"  Apparently I am not up on my calculations ;)

     

    Thank you, everyone, for clarification.  I will now calculate my daughter's birthday like the rest of us do.  I will stop with this "week" nonsense!

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  • image gymnst1013:
    I will NEVER understand why this is such a difficult concept.  Would you calculate your yearly birthday by weeks?  No?  Didn't think so.  So then why would you calculate months by weeks?  A week is a week, a month is a month.  4 weeks =/= 1 month.

    This! The only people who should have any confusion are ones born at the very end of the month, since Feb doesn't always have the 29th and never the 30th and 31st and some months only have 30 days. Someone born April 13th was one month on May 13th and will be five months on September 13th. Calculating by weeks after the first 12 weeks just makes people look at you funny.

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  • Good grief.

    I say "three and a half months". Or just "three months" if I'm feeling lazy.

  • image gymnst1013:
    I will NEVER understand why this is such a difficult concept.  Would you calculate your yearly birthday by weeks?  No?  Didn't think so.  So then why would you calculate months by weeks?  A week is a week, a month is a month.  4 weeks =/= 1 month.

    Words out of my mouth. 

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  • image BrandNewMommy2Be:

    I have been calculating mine by weeks, and yes, he seems older because of that. I guess it depends if you want to be technical. My son will be 7 months next Wednesday because he'll be 28 weeks, but he was born February 23rd which won't make him 7 months for another 3 weeks. I don't know. I just prefer to do it by weeks since the days of the month differ. Geeked

     If you continue to count this way, you'll be celebrating his 1st birthday 4 weeks early!

     I do not understand why people think this is so hard?!? You can count by weeks if you want, but then count by weeks. Don't try to change 4 weeks into a month. It isn't!

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  • When people ask this, I wonder have they ever divided 52 by 4? You get 13 and I think we all know a year doesn't have 13 months. As for us, I stopped using weeks at 12 and moved to months. I currently say he us 4.5 months, though I will soon be moving to 5. Strangers don't actually care that much.
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  • Why is this so difficult? They are one month old when they are one month old.

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