(Closed) Baby measuring really small

posted 3 years ago in Pregnancy
Post # 2
Member
9878 posts
Buzzing Beekeeper
  • Wedding: August 2012

Those estimates can be really off. I honestly wouldn’t stress about it. They said my dd would be 6.5, maaaybe 7 lbs max and she was 7.5 at birth.

Do you have weekly NSTs/ultrasounds?

Post # 3
Member
2167 posts
Buzzing bee
  • Wedding: October 2013

I do not trust ultrasound measurements at all, they can only do their best to get as close of a measurement as they can and it can be super misleading. I have a friend that her baby measured petite her entire pregnancy and was average size at birth.

I also have a friend that was pressured into a c-section because they measured her at 37 weeks to have a 7.5 lb baby in her stomach and estimated she would be close to 10 lbs by her due date, the baby was born at 39+2 and was 8 lbs so no way was it 7.5 at the U/S.

I know it’s impossible not to stress but just know that those U/S are infamously wrong. He will be perfect!

Post # 4
Member
251 posts
Helper bee
  • Wedding: October 2015 - Swaneset Bay Resort & Country Club

They told my Mom I was going to be close to 10lbs and when she was pregnant with me she was measuring ahead consistently 2-3 weeks ahead of where she was.  Yeah… I was born at 6lbs 4oz. Take what they say with a grain of salt. It’s exactly what they call it, an estimate. 

Post # 5
Member
1128 posts
Bumble bee
  • Wedding: July 2013

Just to add to PPs comments – they told me the day before my son was born that he MAY be 7 and a half pounds if I were to go to 40 weeks. He was born the next day at 37w5d and he was 9lbs 2oz.

They are wrong all the time. Try not to worry ๐Ÿ™‚

Post # 8
Member
9795 posts
Buzzing Beekeeper
  • Wedding: September 2013

I wouldn’t be concerned at all.  Weight estimates by ultrasound can easily be a pound or more off.

Post # 9
Member
2521 posts
Sugar bee
  • Wedding: July 2014

The error of margin for those things is pound in either direction… which is like 20%- so it is huge!  Also, I believe that the average birth weight has gone up in the past few decades as well.  I would take cue from your doctor and only be concerned if they are.    

Post # 10
Member
9229 posts
Buzzing Beekeeper

View original reply
lula0508 : those estimates are nearly always wrong. My friend was told she had a baby on the smaller side and then (vaginally!) delivered a 10 pounder. Don’t let it stress you out. 

Also I consistently measured large and had a 6 pound 11oz baby. It seriously is guesswork. The baby’s position can change it so much. 

Post # 11
Member
648 posts
Busy bee
  • Wedding: December 2017

And just to make you feel better, if the baby is actually small, I was born at 37 weeks and when my mom went into the hospital because her water broke the nurses initially thought she was in the 25 week range. I ended up weighing 4lbs 4oz and I was completely healthy, so if your baby does end up being 5lbs 11oz, if he’s anything like me you shouldn’t worry ๐Ÿ™‚

Post # 12
Member
1188 posts
Bumble bee
  • Wedding: February 2016

Agree with PPs!! Those estimates can be all over the place. I had an ultrasound in the afternoon when I was 40 weeks 6 days pregnant. They told me my son would be over 9lbs. I had him 12 hours later & he was 7lbs12oz. And the errors definitely go both ways! 

On top of that, even if they’re correct, as long as you’re within the 5th+ percentile range, you shouldn’t worry. My nephew is 2.5yo and is <5th %ile for height and weight, but he’s totally healthy and smart as a whip! He may shoot up to 6’5″ when he hits puberty. Who knows? 

 

Post # 13
Member
1386 posts
Bumble bee
  • Wedding: June 2014

My LO was estimtaed at 6lbs5oz at 38w, but was 6lbs1oz when born. She’s tiny – petite. It happens. She’s happy and healthy – never sick and only 17lbs at 19months. 

Post # 14
Member
23 posts
Newbee
  • Wedding: August 2017

Unless you get pretty lucky and somehow have a large womb that barely compresses baby, ultrasound measurements tend to get less accurate the further along you get. Why? Because baby’s head is shoved down toward the birth canal and we can no longer properly identify markers as to where the most accurate measurements should be taken. The belly stops looking round and starts looking more oval becasue it’s compressed into a very small space. The legs are bent every which way and don’t tend to image well either. It’s not that the tech is incompetent- it’s just that babies are difficult at 36 weeks. Probably why the doctor isn’t worried. Plus- there’s not much you can do about the baby being small at this point, obviously, if it’s showing no signs of distress. Try not to worry.

๐Ÿ™‚ –

Ultrasound tech

Post # 15
Member
650 posts
Busy bee
  • Wedding: February 2018

View original reply
lula0508 :  

My son was born at 38 weeks at 5lbs 12 oz. He seemed so small he seriously looked like a bird. Fast forward 18 years later and he’s 6’2″ and 200lbs. My daughter on the other hand was born at 40 weeks at 8lbs 7 oz and 15 years later is 5’3″ and 100lbs lol. 

I wouldn’t worry ๐Ÿ˜Š

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