Idea of birth weight based on percentile?

Re: Idea of birth weight based on percentile?

• LadyDelilah member

  November 2012

  doeie04:

  Baby is in the 41st percentile. I am trying to see what a predicted birth weight would be. Anyone know, or have a link to a helpful website. I couldn't find what I was looking for on google. I am guessing around 6-7 pounds, but I have no clue why.
  

  Thanks ladies!
  

  50th percentile is average from what I remember and thats 6.5lbs a good way to average it is you and your DH at birth baring any medical reasons this LO would be bigger.

  

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• bumpuser5078523 member

  November 2012

  LadyDelilah:

  doeie04:

  Baby is in the 41st percentile. I am trying to see what a predicted birth weight would be. Anyone know, or have a link to a helpful website. I couldn't find what I was looking for on google. I am guessing around 6-7 pounds, but I have no clue why.
  

  Thanks ladies!
  

  50th percentile is average from what I remember and thats 6.5lbs a good way to average it is you and your DH at birth baring any medical reasons this LO would be bigger.

  I was 6lb. 12oz. he was over 10 pounds. That would make around an 8 pounder. But baby is measuring in the 41st percentile, and that would be smaller than that....
  

  Chad and Fawn
  
  
  
  
  
  

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• RussianMommy member

  November 2012

  my baby was in the 27th percentile at 19 weeks. I didn't think this would have anything to do with birth weight since they change over time, no?
  

  TTC since May 2012; BFP July 31st, 2012; EDD April 13th, 2013

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• LadyDelilah member

  November 2012

  RussianMommy:

  my baby was in the 27th percentile at 19 weeks. I didn't think this would have anything to do with birth weight since they change over time, no?
  

  It really doesnt. Your baby will be whatever they are. But the theory of percentile aside at 16weeks my baby measured 20. So theres that.... Both my kids were 8.4 and 8.8 so on the larger side of average.

  

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• BrittKav member

  November 2012

  I tried to figure this out with my last daughter based on an ultrasound at 35 weeks. She was measuring pretty small and I estimated she'd only be 5 lbs 12 oz at 40 weeks. She was born at 39 weeks at 7 lbs 4 oz, so that was way off.

  Anneliese Olive 11/5/09

  Hazel Dianna 1/8/11

  Luna Valentine 4/25/13
  

  
  

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• SarahRae85 member

  November 2012

  I actually found/downloaded a chart a few weeks ago when I got my own estimates.

  I don't have each percentile on the chart, but there is a 25th and a 50th column, so you can guess somewhere in between for 41st percentile (closer to 50th, but not by much)

  At 40 weeks, 50th is ~7.24lbs
  At 40 weeks, 25th is ~6.67lbs

  At 37 weeks (term), 50th is ~6.13lbs
  At 37 weeks (term), 25th is ~5.65lbs

  Hope that helps a little.

  DD- 11/17/08, DD- 11/16/09, DS- 3/20/13 

  
  

   

  
  

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• jlpev member

  November 2012

  You will have no idea BC who knows how long you carry the baby. My husband was a small 7 lb I was 7 lbs 11 oz. My DS was 8 lbs 4 oz

  

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• pandabear12178

  November 2012

  Even if they measure your baby a week before you deliver it will most likely be wrong. I had appointments every week and she was 2 lbs heavier then they guessed they week before. Also at the stage she was in the average range then by week 30 she has slowed down to way under average. Hard to say

  

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