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Doctor insights on: Is Gender A Factor In Vanishing Twin Syndrome

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What is vanishing twin syndrome?

What is vanishing twin syndrome?

Demise of one fetus: Vanishing twin syndrome is the demise of one twin sometime during the pregnancy. One study suggested it occurred about 20-30% of twin pregnancies. Most commonly it occurs early in the pregnancy and generally the remaining fetus has a good outcome. Its' occurrence later in pregnancy can be associated with adverse maternal and fetal outcomes. ...Read more

Dr. Jan Lei Iwata
9 Doctors shared insights

Vanishing Twin Syndrome (Definition)

Vanishing twin syndrome is a condition where one fetus dies within the uterus and is partially or completely reabsorbed ...Read more


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What are the tests for vanishing twin syndrome?

None.: Vanishing twin syndrome is probably much more common that people think; it results in a singleton pregnancy and current evidence suggests it is rather the norm than the exception. No test can predict this, only serial prenatal sonograms can document it. ...Read more

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What are the symptoms of vanishing twin syndrome and is there a way to predict this condition?

What are the symptoms of vanishing twin syndrome and is there a way to predict this condition?

None.: Vanishing twin syndrome is probably much more common that people think; it results in a singleton pregnancy and current evidence suggests it is rather the norm than the exception. No test can predict this, only serial prenatal sonograms can document it. ...Read more

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Vanishing twin syndrome lost at 7 weeks. What is the likelihood that remaining twin will have something wrong with it?

Vanishing twin syndrome lost at 7 weeks. What is the likelihood that remaining twin will have something wrong with it?

Pretty small: The chances of a genetic defect in the remaining twin is very small as long as it continues to develop. On most occasions the surviving twin got the majority of the placental perfusion and that is why it is still present and hopefully growing. ...Read more

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Vanishing twin syndrome (lost at 5+ weeks), what is the likelihood of the remaining twin having something wrong with it?

Vanishing twin syndrome (lost at 5+ weeks), what is the likelihood of the remaining twin having something wrong with it?

Increased risk LBW: Compared to singletons, the surviving twin of VTS is at slightly greater risk of premature delivery, low birth weight and, for twin loss after 8 weeks gestation there is an increased risk for cerebral palsy. Loss of a twin at five weeks greatly reduces the risk for the surviving twin to have any adverse consequences. ...Read more

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Eggs splice, or the two fraternal twins suffer from vanishing twin syndrome and the twin literally absorbs the other twin, what does this mean?

Eggs splice, or the two fraternal twins suffer from vanishing twin syndrome and the twin literally absorbs the other twin, what does this mean?

Conjoined placenta: Unfortunately, the placenta often becomes shared between the twins and the one with the better access to the cotyledons of the placenta thrives and the other twin does not. An alternate scenario is when the two fraternal fetal twins are joined together but one does not develop as well as the other prior to placental development in the first trimester. ...Read more

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What is the treatment for vanishing twin syndrome?

What is the treatment for vanishing twin syndrome?

None.: Vanishing twin syndrome is probably much more common that people think; it results in a singleton pregnancy and current evidence suggests it is rather the norm than the exception. No test can predict this, only serial prenatal sonograms can document it. No specific therapeutic intervention is warranted. ...Read more

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I'm 39 & 6 weeks preg. W/ twins. How concerned should I be about vanishing twin syndrome? What should I expect at my visit in 2 weeks. I'm really scared

I'm 39 & 6 weeks preg. W/ twins. How concerned should I be about vanishing twin syndrome? What should I expect at my visit in 2 weeks. I'm really scared

Worrying will not: Help the matter any. Vanishing of one of the twin is being recognized more often due to the common use of ultrasound in early pregnancy. I understand your being concerned, but that will not affect the outcome. Please see this site for information on this topic.
http://emedicine. Medscape. Com/article/271818-overview. ...Read more

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I had slight bleeding but no pain or clots. Was told it was miscarriage could it be possible vanishing twin syndrome?

I had slight bleeding but no pain or clots. Was told it was miscarriage could it be possible vanishing twin syndrome?

Probably not: However, you could ask your doctor to check your serum HCG levels if you wanted to rule this out. ...Read more

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Will a vanishing twin (lost at 7 weeks) affect the results of first trimester Down's syndrome blood testing?

Will a vanishing twin (lost at 7 weeks) affect the results of first trimester Down's syndrome blood testing?

Unlikely: These tests rely on the active production of various markers in the blood and so a demised twin this early on will be unlikely to affect the test. These tests however, should be interpreted in the setting of a screening ultrasound to help better understand the risk. That being said, no test is ever 100% accurate, though they are useful. Consultation with a genetic counselor will help. ...Read more

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Will a vanishing twin (lost at 7 weeks) affect first trimester downs syndrome testing with blood test and ultrasound?

Will a vanishing twin (lost at 7 weeks) affect first trimester downs syndrome testing with blood test and ultrasound?

Vanishing twin: No, it would not affect your test result. Ultrasound would show it for a while, but the developing twin will eventually grow big enough to hide it from view. ...Read more

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Is it possible identical twins can have the same gender of a child? What's the possibility?

Is it possible identical twins can have the same gender of a child? What's the possibility?

If you are asking: If two identical twins, say both are women giving birth at the same time, have a higher chance of having the same gender for their babies, then the answer is no. The probability is 50% for 1 twin mother and 50% for the other twin mother delivering both a boy, 0.5 x 0.5 = 0.25 or 25%, but adding to the same probability for a girl. So 25% both girls + 25% both boys = 50%. ...Read more

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What is twin-twin transfusion syndrome?

What is twin-twin transfusion syndrome?

AKA TTTS: Ttts is when twins share abnormal blood vessel connections allowing one baby to "steal" blood from the other. Another name for this syndrome is poly/oli twins because one will have too much amniotic fluid (polyhydramnios) and the other too little fluid (oligohydramnios.) this is a high risk situation that will need to be carefully monitored by serial ultrasound and may require early delivery. ...Read more

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What is hidden twin syndrome? I was a hidden twin

What is hidden twin syndrome? I was a hidden twin

Hidden Twin Syndrome: Before ultrasound imaging of pregnancy, a twin pregnancy was sometimes missed, and not realized until the twin is delivered at birth. Now with ultrasound imaging, a twin is seen during examination. There is no dangerous hidden twin syndrome to worry you. Relax aabout this. ...Read more

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I have a fraternal twin brother with microdeletion 22q11.2 (velocardiofacial syndrome). What are the chances my children will have the same disorder?

I have a fraternal twin brother with microdeletion 22q11.2 (velocardiofacial syndrome). What are the chances my children will have the same disorder?

Minimal: These odd micro-deletion syndromes are thought to arise as new defects which could be dominantly passed. Unless you carry it, you won't pass it to your kids and they would have the same risk as the general population to acquire it (new). You might benefit from discussing any and all genetic risk issues from both sides of the family with a geneticist. ...Read more

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Aborted twins same placenta missing sex chrom 21 therefore had turners syndrome cant find info linking the 2 why what when how need info ttc risk etc?

Aborted twins same placenta missing sex chrom 21 therefore had turners syndrome cant find info linking the 2 why what when how need info ttc risk etc?

Uncertain: Hi, deeply sorry for your loss. Turner syndrome is when you are missing a sex chromosome (number 23) and is a common cause of miscarriage, absent chromosome 21 is a different condition and is much more rare. ...Read more

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What are the tests for twin-twin transfusion syndrome?

What are the tests for twin-twin transfusion syndrome?

Ultrasound.: Determining the type of twins and their condition by prenatal ultrasound is the only way to diagnose ttts. ...Read more

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What are the symptoms of twin-twin transfusion syndrome?

What are the symptoms of twin-twin transfusion syndrome?

Large uterus.: Rapidly enlarging uterus is the hallmark of ttts and results from massive polyhydramnios in the recipient's gestational sac. Prompt expert medical care can help avoid death to both twins. ...Read more

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What is twin-to-twin transfusion syndrome?

Blood problem: When blood from one twin is going to the other twin. One twin grows the other does not
twin-to-twin transfusion syndrome

ttts; fetal transfusion syndrome

last reviewed: september 12, 2011.


Twin-to-twin transfusion syndrome (ttts) is a rare condition that occurs only in identical twins while they are in the womb.


Causes, incidence, and risk factors

ttts occurs when blood moves from one twin. ...Read more

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What future disabilities can development from twin to twin transfusion syndrome?

What future disabilities can development from twin to twin transfusion syndrome?

Probably none: One will always be larger than the other. Congenital heart and brain defects are more common, but not frequent. These will usually be evident soon after birth. You and both children are fortunate to have survived this. It is so rare most Drs never even heard of it. ...Read more

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LMP 4/27/14. EDD of 2/17/15 for twins on 6/23/14 at 5w4d and 5w5d. What is the worst case conception date? If its +/-7d could sex from 5/1 be a factor

LMP 4/27/14. EDD of 2/17/15 for twins on 6/23/14 at 5w4d and 5w5d. What is the worst case conception date? If its +/-7d could sex from 5/1 be a factor

Sure: May 1 is only 4 days from April 27. In real life, when talking about ultrasound dating of a fetus around 5-6 weeks gestation, the dates April 27, April 28, April 29, April 30, and May 1 can be seen as "the same time" or "the same day". That's because real life is never exact. ...Read more

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Online says, "obesity is a factor in conceiving twins" can being 60 pounds overweight create triplets or quads?

Online says, "obesity is a factor in conceiving twins" can being 60 pounds overweight create triplets or quads?

Obesity impairs: Obesity can impair fertility, making it hard to conceive. Losing weight can be a potent benefit for having a baby. The risk of twins is not necessarily increased with obesity. Good luck. ...Read more

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What is the treatment for twin-twin transfusion syndrome?

What is the treatment for twin-twin transfusion syndrome?

Laser, amnioreductio: Laser to try to separate the two fused placentas and/or amnioreduction can help manage ttts to a certain extent. Laser is preferred but both methods have pretty high failure an complication rates. Ttts is a bad diagnosis to have.. ...Read more