Monozygotic Twice? - Mothering Forums
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#1 of 17 Old 06-17-2004, 07:22 PM - Thread Starter
 
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Is it possible to have identical twins twice? Has anyone ever known anyone to do this?

I just got back from my first prenatal appt and my uterus is high and big for my dates. There could be other reasons for this, I'm just wondering if it's possible to have identicals twice. Thanks!

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#2 of 17 Old 06-17-2004, 07:54 PM
 
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Hello,

Yes. My husband is an identical twin. His mother (my MIL) is an identical twin. His mother is one of 8 girls- the last 4 of which are 2 sets of identical twins. There was also a later set of identical boy twins miscarried. One out of the other set of identicals (my husband's aunt) has identical twins.


Anyone who tells you identicals can't run in families needs to meet mine! (either that, or I've got to start buying lottery tickets!)

Good luck!

-Angela
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#3 of 17 Old 06-18-2004, 10:20 AM
 
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I saw a thing on the news recently about a woman who's husband is in Iraq. They have a set of quads that are 2 sets of identical twins. The odds of THAT are something like 1 in 8 million births. But it is possible to have 2 sets of identical twins.

I analyzed the family tree on my dad's side once. Identical twins run 1 in 30 births over the past 4 generations. Most of the twins on my mom's side are fraternal.

So it is possible, but it's still more likely, all things being equal, that a second set of twins will be fraternal.

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#4 of 17 Old 06-18-2004, 11:43 AM
 
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Since identical twins are basically random, it's just as likely that you'll get pg with them the second time as it was the first, kwim?
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#5 of 17 Old 06-18-2004, 12:41 PM - Thread Starter
 
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Thank you for the replies so far.
When I first had my girls I remember reading about some studies at a college that seemed to indicate that identicals are not as random as we usually think. The theory was that if a certain man with a certain enzyme had intercourse with a certain woman who did not have the substance to counteract the enzyme, the egg would split and mono's would result. Of course, the school had a hard time getting $ to do more research because it's not really considered an important study. That's why I was wondering if anyone knew of a family that had identicals more than once. I only know families with multiple sets of fraternals.

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#6 of 17 Old 06-21-2004, 11:47 PM
 
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i have heard of it
in one of the twin books i read while pregnant
written together by 5 twin mommas
one of them had two sets of identicals

identicals are "supposed" to be random
but they can't explain why they still seem to occur more in some families
i think they just haven't found the mechanism for why it happens

are you scared?
i am terrified to get pregnant w/ twins again
actually, of getting pregnant at all
i think my uterus and everything would just fall right through
and hang down in front of my pubis
my stomach muscles still aren't knit back together i don't think
when i used to look at twinstuff.com, somebody asked the question
if you could choose would you have twins again
and i couldn't believe howmany people said yes
altho' i thought after having mine about how if i did it again
how it might be different
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#7 of 17 Old 06-22-2004, 10:43 PM - Thread Starter
 
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Yeah, I would be nervous about having twins again. I think that babies were meant to be born one at a time. I worry about what they miss out on in the early months because mama can't give each one all the attention it needs.

Of course, the girls having a forever pal and playing so well together is WONDERFUL!

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#8 of 17 Old 07-05-2004, 09:22 AM
 
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From what I've learned in pre-med (didn't go to med school, changed my mind and went with law- LOL) Anyway, I don't know if new research has come out but when I was in school I had a Biology professor who had idenitcal twins and was saying there is no real medical explaination for identical twins- doesn't necessarily run in families, etc. So, I bet you could- it's kind of a mystery!

I have had 2 fraternal twin pregnancies. My first are boy/girl twins (almost 5 years old!!! ) My last pregnancy was also a twin pregnancy until about 11-15 weeks when we lost the twin. (my son was born healthy at about 10 pounds, however). So, the odds of having 2 twin pregnancies got us! I had them check really early with this pregnancy to see if it was a singleton and was shocked to find out there was only 1 baby!!! But the odds of having twins 3 times was a bit much LOL- I was panicing because we have a minivan and there wouldn't have been enough room for carseats!!!

SAHMama to the "Fantastic Four"- 10 yr old b/g twins, 7 yr old boy, 5 yr old girl... : and expecting a miracle baby Feb. 2010...: Married for 11 yrs to my handsome Police Officer :cop:
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#9 of 17 Old 07-05-2004, 05:03 PM
 
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My sister knows a woman who had three sets of mz twins and one singleton who was concieved with a twin. Weird stuff!

Rynna, Mama to Bean (8), Boobah (6), Bella (4) and Bear (2)
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#10 of 17 Old 07-05-2004, 07:52 PM
 
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A woman had Quads in the same hospital as us - two sets of identicals. Two eggs that split.
Only a handful of those in the world
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#11 of 17 Old 07-06-2004, 04:52 AM
 
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There's a mom in my multiples club that has two sets of twins, less than two years apart. I believe only one set is MZ, but I could be wrong. I also know of a mom in our area that has MZ quads. Not two sets of MZ twins, but MZ QUADS!!! I think there's maybe one or two other set of MZ quads alive in the world right now.

I love my boys, but frankly, it's the aspect of increased likelihood of another twin pregnancy (age, # of pregnancies, and the dumb luck we seem to have) that has pretty much assured of me never getting pregnant again--by my choice. So...man, I can understand the jolt of fear.

The mama I know with two sets of twins (4 under 2!!! Holy sh!t!) is very open with the good and bad of her experience. But having twins and a toddler has so kicked my ass physically, emotionally, and spiritually...I know I am not up to that challenge.
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#12 of 17 Old 07-06-2004, 05:12 AM
 
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This does not answer your question, but I have a friend who had fraternal twin girls and then four years later had fraternal twin boys....both on Labor Day.
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#13 of 17 Old 07-08-2004, 01:42 PM
 
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Quote:
Originally Posted by Elyssia
i am terrified to get pregnant w/ twins again
actually, of getting pregnant at all
me too.

Analisa, Mama to Meg 12/12/01, Patrick 12/24/03, Catherine 12/24/03, Ben 2/26/06
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#14 of 17 Old 08-01-2004, 09:14 PM
 
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Quote:
Originally Posted by Elyssia
i am terrified to get pregnant w/ twins again
actually, of getting pregnant at all... when i used to look at twinstuff.com, somebody asked the question if you could choose would you have twins again
and i couldn't believe how many people said yes
I was too. TERRIFIED. But then we figured we wouldn't be given more than we could handle and so we just went for it. And it's "just one" this time! I am on cloud nine knowing how easy so much of it can be compared to last time. I am also shocked when people say they'd have twins again. I mean, if I could have had dd and ds exactly who they are but say 2 years apart, sign me up! I think sometimes though when people ask hypotheticals like that people get all paranoid that saying No means they don't love their kids or want to change something about them, so I'm not surprised so many people said Yes.
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#15 of 17 Old 08-02-2004, 10:45 AM
 
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Quote:
Originally Posted by Tigerchild
There's a mom in my multiples club that has two sets of twins, less than two years apart. I believe only one set is MZ, but I could be wrong. I also know of a mom in our area that has MZ quads. Not two sets of MZ twins, but MZ QUADS!!! I think there's maybe one or two other set of MZ quads alive in the world right now.
I read this on a website which I can't find right now. There are about 40 sets of MZ quads alive in the world; of the 40, only 4 are male. (Including those adorable little boys in the Tide commercial a few years back.)

Rynna, Mama to Bean (8), Boobah (6), Bella (4) and Bear (2)
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#16 of 17 Old 08-05-2004, 11:48 PM
 
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Quote:
Originally Posted by Periwinkle
I think sometimes though when people ask hypotheticals like that people get all paranoid that saying No means they don't love their kids or want to change something about them, so I'm not surprised so many people said Yes.
True. And I totally agree that I would want the exact same children - just not at the exact same time!

Analisa, Mama to Meg 12/12/01, Patrick 12/24/03, Catherine 12/24/03, Ben 2/26/06
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#17 of 17 Old 09-30-2004, 06:44 PM
 
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I would have twins again. More twins, same ones, whatever. I love having an excuse for being crazy.

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