Increasing Size Difference (Fraternal Twins)
Posted 30 January 2008 - 03:14 PM
I'm pg with follistim/hcg and timed intercourse
US at 6w showed one heartbeat, one empty sack, one with possible fetal pole but no heartbeat.
US at 8w showed one baby with a head, belly, arm/leg buds jerking around, one still empty sack, and the fetal pole had a heartbeat, but was still that little grey flashing bean. She didn't look antying like the other baby at that point.
US at 12 weeks showed a 1 week size difference with B still being smaller.
Today at the peri appointment, (18 weeks) baby B is now 3 weeks behind.
I spoke with the peri afterwards and he basically said that this big of a size difference is definitely not something they see with fraternal twins. He said that as of right now, Baby B is really small (she is 1/4lb and A is 1/2lb) to get really good measurements. He said that it could be possible that we have one healthy baby and one not healthy baby. Baby B could have a chromosomal abnormality but anatomically she looks great, perfect heartbeat and there is nothing right now that raises any red flags. He said that we could have an amnio done, but there are risks involved with that and if we didn't plan to do anything based on the results, then it was probably not something he'd recommend. I said no to the amnio because of that reason, we wouldn't change the pregnancy, and I'd hate for something to cause me to lose both babies if there was nothing wrong to begin with. He said if there is something chromosomally wrong with her, there is really nothing we can do. He said if not, then I'll probably be put on bedrest and for now to just limit my activity. I asked him if I could load up on protein or something if that might help, and he said no, probably not so just keep eating what I'm eating. So now it's kind of a "wait and see" and I have 3 more weeks to wait for my next ultrasound with him. He said that the next ultrasound should be a lot more telling but in the meantime I'm so very scared. My husband was worried for the first time today and he's always the one who is just sure everything is going to be fine. Any thoughts? Any experiences? I'm just so scared for my little one.
Here is one of the u/s pics from today - you can see baby A on the left and B on the right and you can visibally tell the difference just in their head size and the fact that A looks more filled out.
Posted 30 January 2008 - 03:30 PM
My first question, how can you tell for sure right now if your twins are fraternal? Is one a boy and a girl? I know there are a couple people on the site and my aunt (I think) who had id twins, even though they had their own sac and placenta. If it isn't for sure that they are fraternal, there are a lot of different problems that could be going on if they are id. twins.
Going back to the fraternal thing. When one of my babies was measuring behind the other one (a week I think) the peri said that it could be due to the fact that they are brother and sis, not identical. These babies have just as much in common genetically that they would with a brother or a sister so there would be differences in their weight. Also she mentioned that maybe my body just makes bigger girl babies then boy babies. In the end, they ended up weighing exactly the same. I too was worried for the little one , but in the end it all worked out. Granted, they didn't have as big of a growth gap as your twins due.
Also, the doc said that one twin could be behind due to the fact they could have been conceived on different days since they were fraternal twins.
Another thing to remember is that US have an error rate factored into the weights, I can't remember what it was.
I think your best bet is to make sure that the doc and peri are following you really closely and to do what the doc says and take it easy. I really wished I would have taken it easier when I was preggo. I know it is a hard thing to do with a toddler though.
Many hugs to you!
Posted 30 January 2008 - 05:09 PM
6/03 Ainsley (5lbs 5oz) & Sierra (3lbs 15oz) 35.3 weeks
3/07 Dax (9 lbs 9 oz) 41.6 weeks
12/08 Ewan (9 lbs 7 oz) 42 weeks
Posted 30 January 2008 - 05:19 PM
My kids started off the same as you, almost the same exact story (except yours was at 6 and 8 weeks, and mine was at 7 and 9 weeks). At 14 weeks, my first level II u/s, they were a week apart. By the middle of my pregnancy (well, around 24 weeks), they were close to two weeks apart. By the end of my pregnancy they were three weeks apart. Ben was born at almost 1 1/2 pounds more than Hannah. He was a big baby and she was a small baby; they are still the same way.
Now, is Baby B three weeks apart from her sister, or three weeks behind where she should be as a whole?
Moderator of Twinstuff Club
Benjamin and Hannah
Born 3-1-05 @ 34 wks/4 days
Posted 30 January 2008 - 06:39 PM
ETA: That U/S picture is great!
Married to Patrick (11-29-97)
Trevor-2-14-06 (@ 26w6d)
Yes, my twins were born 10 days apart!!!
Posted 30 January 2008 - 06:53 PM
Mommy to TJ ~ born 7/15/2003
Mommy to Katherine & Lauren ~ Fraternal Twins Born 6/10/2008 at 35w4d, weighing 5lbs 13oz & 7lbs 1oz (respectively)
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Posted 30 January 2008 - 07:39 PM
I have no experience with this, but I wanted to let you know I will be thinking of you and your babies and will pray that they will be fine. Reading other posts, it seems like it has happened quite a bit and has worked out fine. Try not to worry to much until the next u/s. I would also say to maybe drink a Boost every day. It will give you extra protein and calories. Good luck.
Posted 30 January 2008 - 08:18 PM
wife to Brandon
B/G twins Beck and Ella
Ella 5lbs 6ozs
Beck 6lbs 9ozs
born at 36 weeks with 15 (ella) and 11 (beck) days NICU time
Posted 30 January 2008 - 08:20 PM
Posted 30 January 2008 - 09:15 PM
Hang in there, it sounds like they are keeping a close eye on you.
Me (Mary) 28, DH 35
Proud parents of twins after battling infertility for 3 years
9/22/07 Drew and Livi born vaginally at 37 weeks 6 days:
See our blog at http://bbrsbaby.wordpress.com
Posted 31 January 2008 - 08:14 AM
Our 5 Girlies:
Posted 31 January 2008 - 12:31 PM
Posted 31 January 2008 - 04:32 PM
Posted 31 January 2008 - 06:57 PM
Keep the faith and trust that everything will be fine. Good luck
Posted 01 February 2008 - 01:04 PM
Sorry I am so late in responding.
I had b/g twins and my baby a (my son) was always measuring a week or more ahead of my baby b. It varied anywhere from 3 days to start to up to 10 days at one point I think - basically a weeks difference for the most part. Baby B (my daughter) - was always from the get go smaller in all the measurements.
I did IVF and I knew when they did the transfer (they transferred 3 embies) that one was already behind and they held no hope for it - to this day I believe that is my daughter. My first scan - there was only one sac. 2 weeks later - there she was.
They estimated my baby b to be around 5 lbs at 34 weeks and my baby a (my son) to be around 6 lbs.
They bumped up my c-section to 35 weeks as they felt my baby b had stopped growing. Well imagine my suprise when she was born at 3lbs 4 ounces and my son was twice her size at 6lbs 5 ounces. So that goes to show how those measurements can be inaccurate. The dr. said after it must have been the way she was positioned.
Their latest weights at their 9 month appt. my son weighed 25 1/2 lbs and my daugter 18lbs.
So keep the faith. My daughter was a fighter and I'll pray your baby b is too!
Edited by Stinkpea, 01 February 2008 - 01:05 PM.
Jordan 6 lbs 5 oz; 17 mths 34 lbs; 2 yrs 36 lbs
Sienna 3 lbs 4 oz; 17mths 25 lbs; 2 yrs 27 lbs
Posted 01 February 2008 - 07:54 PM
It sounds like a lot of people have gone through this and their babies are fine, best thing is to get lots of rest and keep them cooking. I will be thinking of you!
b/g twins due 4/2/08 Maya and Dev
hospital bedrest since 1/30/08 to 2/4 now on home bedrest
Posted 02 September 2008 - 01:13 PM
Posted 11 December 2008 - 01:48 PM
I just found out a couple of days ago I'm having with twins. I went to the ER because I was bleeding even pasting blood clots with cramping and lower back pain. I knew I was pregnant and thought it was a miscarriage. To my surprise they told me they found another sack. They said it could either way at this point and I would have to wait. I had an ultra sound done the next day and they notice one sack was smaller than the other. I'm only 5 weeks and have to wait until I'm 7 weeks to have another ultra sound to see if we can see yoke sacks and heart beats. I'm pretty worried because I'm still bleeding and in pain. Hope the babies are okay!
Posted 11 December 2008 - 02:00 PM
I don't have any experience or advice for this--my boys are currently 13% different but that's the first time they've been more than 2 oz different. But I'm so glad the others' stories have encouraged you. Just wanted to send you a big hug and say I'm sending prayers your way for TWO healthy babies!
Fraternal boys born at 37w6d
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