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Do All Down Syndrome Babies Have The Simian Crease
Down syndrome is a genetic condition in which there is an extra chromosome present. Symptoms may range from mild to severe. Children with Down syndrome share a common physical appearance including a flattened nose, small ears, a small mouth, upward slanting eyes, and a single crease in the ...Read more
If I have some of the physical signs of Down syndrome like a simian crease but don't have down syndrome, am I more likely to have a child with downs?
No: Some of the features seen in down syndrome persons are also seen in other hereditary disorders, and some features are seen in normal people. A normal person can have a single horizontal palmar crease (simian crease), but his simian crease is just a trait he has, and has nothing to do with down syndrome. A normal person with a simian crease is not more likely to have a down syndrome baby. ...Read moreSee 2 more doctor answers
See below: It occurs in about 1 of 30 babies. ...Read more
How rare is it to have a simian crease (a single palmar crease) on both palms without having down syndrome?
Fairly common: A single sided simian crease is found in about 10% of the population, whereas having it on both palms is found in about 5%. When a condition is seen in this many people, it is considered somewhat common. Many more people who have a simian crease have normal chromosomes than have down syndrome. ...Read more
If someone in your family has down syndrome, is there a larger risk that your baby will have down syndrome?
Slight risk: Most down syndrome is sporadic. A few patients with down syndrome have the extra 21 chromosome translocated on to another chromosome. In some of these cases the parents can carry the translocated chromosome in a balanced form and they and other family members could be at increased risk to have children with the syndrome. ...Read moreSee 2 more doctor answers
My sister has a two yrs old Down syndrome boy.What is the chance that a second baby is also affected?Is there chance to reduce the risk?
Depends: Traditional ds (>85%) have an extra 21 chromosome & recurrence risk runs 1% for young mothers but 1% + the age factor as a women ages. There are uncommon forms of ds due to transfer of pieces between chromosome where the mom or dad could be an asymptomatic carrier. The % of those varies with the defect & it would be best to consult a geneticist. If regular ds, the numbers above apply. ...Read moreSee 1 more doctor answer
My baby is Down syndrome shes 4 months , shes my first baby... When do u advice me to have another baby iam 28y?
Which type ?: Ds infants have 1 of 3 basic patterns.Trisomy 21, the most common, has a recurrence risk for you of 1% plus any age factor. A mosaic, is a blend of normal and t21, with no specified recurrence risk. A translocation 21 has a potential for recurring with any pregnancy.Your babies pattern should be defined first.A geneticist can help you with future planning. I find most are ready after a few yrs. ...Read moreSee 1 more doctor answer
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