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Doctor insights on: Are Twins Hereditary

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Are twins hereditary?

Are twins hereditary?

Yes and no: Some multiple births occur naturally at approximately the rate of: twins: 1/89 (about 1.1%) of singleton births. North american dizygotic twinning occurs about 1:83 conceptions, and triplets about 1: 8000 conceptions. In the us, there were over 136, 000 multiple human births in 2003. A traditional approximation of the incidence of twins is 1:80. The incidence increased lately due to ivf & iui. ...Read more

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Are there good twin studies on whether or not alzheimer's is hereditary?

Are there good twin studies on whether or not alzheimer's is hereditary?

Yes: Alzheimer disease exhibits multifactorial determination with many genes plus environment determining who will be affected. Twins and siblings have a slightly higher risk unless it is a rare case where single gene mutations are involved. These families exhibit early onset of alzheimer and relatives of affected persons have from 25-50% risk (see http://www.Mayoclinic.Com/health/alzheimers-genes/az. ...Read more

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If you have identical twins, will they both develop the same genetic/inherited disease at the same point?

If you have identical twins, will they both develop the same genetic/inherited disease at the same point?

Depends: If it's something that fully expresses itself with no modification (such as huntington's), yes. If it's going to express itself but is lifestyle-modifiable (type ii diabetes), timing will differ. The diseases for which there's a genetic component (diabetes, lupus, multiple sclerosis, many others) have only one twin affected more often than not -- you can find details. ...Read more

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Have twin studies shown that bipolar disorder is hereditary?

Have twin studies shown that bipolar disorder is hereditary?

Yes: The disorder is highly heritable. Estimates of the genetic component to the heritability range from 60 to 85 percent. ...Read more

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What is a stuck twin?

What is a stuck twin?

Donor in TTTS.: Stuck twin is a descriptive term for the donor twin in a case of twin-to-twin transfusion syndrome (ttts - seen in 15% of all monochorionic/diamniotic twins which comprise 1/3 of all twins - identical in lay terms). ...Read more

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What are stuck twins?

What are stuck twins?

Stuck twin: The term stuck twin refers to a set of twins which are sharing the same placenta. The term stuck refers to the twin which is not getting enough blood flow and has very little amniotic fluid around it. The other twin has too much blood flow and too much amniotic fluid. The condition is called twin to twin transfusion syndrome. ...Read more

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How to get twins baby?

How to get twins baby?

Careful what U wish4: Carrying a twin pregnancy is not something anyone plans - and for good reasons: it is fraught with risks for fetal loss, preterm birth, hypertension, diabetes and maternal health problems that are not desirable. You can only take Folic Acid 1-5 mg daily and try to conceive naturally - 1% of the time twins result as an accident of conception - not a planned outcome. ...Read more

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How to get twins baby?

How to get twins baby?

Twins: There is no way to ensure that you have twins. They can run in families so you might have an increased possibility of having twins. And people that have had fertility treatment have an increased risk of having twins. It can happen when two eggs are released by the female at ovulation or when one egg splits after fertilization in which case the babies are identical twins. ...Read more

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What is vanishing twin?

What is vanishing twin?

Common occurence.: It seems that most of us started as multiples that spontaneously reduced to singleton pregnancies. Vanishing twin is the one that was lost in the first trimester. ...Read more