Monoamniotic twins?

iVillage Member
Registered: 05-13-2004
Monoamniotic twins?
16
Fri, 08-13-2010 - 11:45am

I was wondering if anyone has any experience with this kind of pregnancy? It hasn't been confirmed that this is our situation, but the u/s tech said it looks like they are in one sac and she said she didn't see a membrane separating them. She probably should've just kept her mouth shut and not said anything because now I'm freaking out. At first I just thought all identical twins were in one sac, but after looking stuff up on the internet, I learned that is not the case. My u/s was done at 10w1d, so it might be too early too tell, and maybe she just had a bad angle or a low-grade machine or something so it was hard to see. Anyways, I'm freaking out a little bit, but trying to reassure myself that this is a very rare occurance. I don't have another appointment until Aug. 26th! And it's with a new OB because I just had to switch from my midwives because they don't do twin pregnancies. I'll attach the u/s pics so you ladies can check it out.

http://www.myjoy-filledlife.blogspot.com

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iVillage Member
Registered: 11-13-2008
Fri, 08-13-2010 - 8:52pm

I know it's hard but try not to freak out! When we first found out we were having twins the ultrasound tech couldn't find a membrane either. We were referred to a MFM and were sent for a higher resolution scan and they found the membrane. A lot of identical twins have an extremely thin membrane that is very difficult to see. Even now we sometimes have a hard time finding the membrane that is separating my twins. Try not to worry too much, I know that's much easier said than done though, I was once waiting to find out for sure like you.

Good luck and keep us updated.

iVillage Member
Registered: 05-28-2003
Fri, 08-13-2010 - 9:06pm
I posted something very similar myself all those months ago and they should be able to see the membrane by 14 weeks..it is VERY VERY hard to see..Even now at 32 weeks we have a hard time seeing it! Hang in there..

Rebeccasiggy
iVillage Member
Registered: 05-13-2004
Sat, 08-14-2010 - 9:10am

Trying my hardest not to freak out! Doing better today! It's very reassuring reading your replies and reading other things I've found on the internet where people said sometimes it can be very hard to see the membrane. I'm sure my twins are just fine; this is such a rare thing that the membrane was probably just missed on my u/s. I have an appointment Monday with my new doctor's office (I was seeing a midwife until we found out it was twins), so we will see what they think. I'm sure they will order another scan.

Thanks for the support!

http://www.myjoy-filledlife.blogspot.com
iVillage Member
Registered: 07-17-2008
Sun, 08-15-2010 - 3:45am
Mo/Mo twins are incredibly rare, so I'll just be crossing my fingers that it's too early to see the membrane. (((hugs)))
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iVillage Member
Registered: 04-17-2008
Mon, 08-16-2010 - 12:35am

We're having identical twins also... Each ultrasound I have they always have to search very closely to find the membrane. It seems that with identical twins its very hard to see sometimes because its such a thin line. It should be easier to see later on!
Or at least until you're much later in the pregnancy and they take up so much room that you can't find it anymore!!! LOL But, don't worry about it too much until you're next appointment, from what I've read it is very rare. Please keep us posted!! :)

Kandyce

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iVillage Member
Registered: 02-26-2008
Tue, 08-17-2010 - 11:44pm
i have a friend who had mo-mo twins...she was one of success stories...went 34weeks...she was on bedrest in hospital from 22 weeks on, but they made it. I hope that they find a membrane between them, but I wanted to make sure you heard a positive story because I know that there are some really scary ones out there.
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Sarah-busy mommy to Justin, Grace, Isabelle, Boyd, and expecting another miracle in August.
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iVillage Member
Registered: 08-24-2008
Wed, 08-18-2010 - 2:28pm
My friend's boss had the exact same thing happen and both babies are happy and healthy toddlers today :) Mo-mo girls, delivered via c-section at 34 weeks. She was on hospital bed rest from 20-ish weeks on and had to be monitored very carefully, but mom and babies were both totally fine. It does sound scary but there are happy success stories out there! I hope everything works out for you!
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iVillage Member
Registered: 11-13-2008
Wed, 08-18-2010 - 4:07pm
I really hope that they find the membrane at your next u/s.

iVillage Member
Registered: 05-13-2004
Wed, 08-18-2010 - 4:40pm

Thanks for all the replies. I had my first appointment with my new doctor's office on Monday (I was seeing a midwife practice, but they only do singleton pregnancies). We saw the NP and she said the u/s report from my midwife's office said there were two placentas, so that's good news, right? And then the doctor called us that night and wanted to reassure us that the report looked good, but that he was going to send for the actual ultrasound so he could view it himself, and he would call us after he sees it. He seems pretty confident that they are monochorionic and not monoamniotic. I probably won't have another ultrasound until I'm about 18 weeks or so when they do the anatomical stuff.

So that's the update for now!

http://www.myjoy-filledlife.blogspot.com
iVillage Member
Registered: 05-13-2004
Wed, 08-18-2010 - 8:28pm
Doc just called a little while ago and said he took a look at the ultrasound and said they are MonoDi!! One chorion and 2 amnions! That's a relief!
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