Different Twin Weights

11 Replies
Brianna - October 1

Hi, I am 31 weeks pregnant with fraternal Twin girls. My perionatologist took measurements today, and one twin weighs 3 lbs 10 oz, and the other weighs 2 lbs 15 oz. I am going back in a week for him to check the placentas. He told me not to worry, as one twin has always been smaller, but I am panicking. Has this happened to anyone? Is it normal? Any words of encouragment would be greatly appreciated. Thank you.

 

Carol - October 8

Yes dear, there not always the same weight. I've seen some that one was 8 lbs. and the other was 6lbs some oz.. So don't fret

 

Brianna - October 18

Dear Carol, Thank you for answering me. I am now 33.5 weeks, and baby B is catching up. Thanks again!

 

Gemma - November 18

Yes, I have never come across twins who weigh the same. Your doctor will tell you if there is any reason for alarm.

 

Miss - November 19

Hi :)- At 31 weeks, my baby A (boy) weighed 3.9 and baby B (girl) weighed 2.7. I had another U/S today 34 weeks and the boy weighs 5.9 and the girl weighs 4.9. My peri said that as long as they are growing parallel, they are doing great. Good luck with your twin girls!! :)- Miss

 

Amanda - November 28

I know with my doctor he said that as long as they are within 25% of eachother.. everything is fine... mine at last scan on 11/8 A was 2lbs 6 oz and B was 2 lbs 8 oz... i go again 11/30 for another ultrasound

 

Allyson - December 9

Im not sure if this will help but.. i have a twin siter we are identical and i weighed 2 pounds 4 ounces and she weighed 5 pounds 8 ounces big weight diff but we are both health 16 yrs later so its normal for twins to weigh diffrent

 

Dawn - December 21

I'm sure it is perfectly normal. Every baby is different and with them being faternal I'm sure it is common. How did you determine that they were fraternal already, amnio.? I'm also pregnate with twin girls. But the dr. said that we won't know if they are identical or fraternal until tests after birth. Plus they just guess at the size with an ultrasound. It's not definate. Told me my 1st gril was going to be 9.5 lbs the day before I delivered and she was 8 lbs. 11 oz.

 

t - December 21

my twins were the same size and I was told THAT was weird! Every twin mom I have ever met had at least a lb. difference between twins.

 

[email protected] - January 14

I had the same situation happen during my pregnancy. The babies were always about 1 lb in difference. I went in for wkly ultrasounds and at wk 33 the baby that was behind by 1 lb caught up!! They were born at 34 wks weighing 4lbs 11ozs and 4lbs 13 ozs. I don't think you have anything to worry about. That is not that big of a weight difference to cause too many concerns.

 

Ty'chi - August 9

im 33 weeks pregnant now with faternal twins, which are a boy&girl. My son is 4lbs even and my daughter is 3.6lbs. I was worried at the first but my dr. said it happens alot. I was admited to the hospital for a week for twin discordnace but they just see im a tiny girl and wont get that big. Good luck to you and my due date is sept 27, 2005 so wish me luck.

 

Melissa - August 10

I have been told that as long as they are not more that 20% different than eachother, not to worry. It looks like they are right around that 20% mark, so I wouldn't worry too much. If it was a something to really worry about, I'm sure your specialist would let you know. At my 30 week ultrasound, mine were 3 lb. 14 oz. and 4 lb. 5 oz. Still made me a little worried with 6 oz. different, but like I said... don't worry until the Dr.'s are worried. Good luck!

 

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