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Does Down syndrome increase with maternal age?
Yes, the risk of having a child with Down syndrome increases with maternal age, especially after the age of 35. This is because older eggs are more likely to have chromosomal abnormalities, such as an extra copy of chromosome 21 which causes Down syndrome.
What is the cause and symptoms of Down syndrome?
Downs syndrome is caused by having 3 copies, trisomy, of chromosome 21 in your DNA. This can be random, causes are often unknown although it is associated with increased maternal age. Symptoms include characteristic facial features, varying degrees of mental retardation/learning difficulties, a happy and sociable disposition, increased susceptibility to certain heart conditions and other medical conditions and many others. Best to google it for a very quick overview.
What is the most common chromosomal abnormality seen in live born babies what is the prevalence of this disorder what is the relationship between maternal age and the risk of having a baby with this?
Down Syndrome-the rest is on wikipedia
How is Velo cardio facial syndrome detected?
Velocardiofacial syndrome (VCFS) is a disorder that has been associated with over thirty different features. The name velocardiofacial syndrome comes from the Latin words "velum" meaning palate, "cardia" meaning heart and "facies" having to do with the face. Velocardiofacial syndrome may also be known as Shprintzen syndrome, DiGeorge syndrome, Craniofacial syndrome or Conotruncal Anomaly Unusual Face Syndrome. Get more information about Velocardiofacial syndrome at http://velocardiofacial-syndrome.blogspot.com Thanks
If you have a brother or a sister with Down syndrome does this increase the chances of giving birth to a child with Down syndrome?
Having a sibling with Down syndrome does not directly increase the chances of giving birth to a child with Down syndrome. The risk is influenced by maternal age, not family history. If both parents are carriers of the genetic translocation for Down syndrome, the risk may be higher.
How likely at the age of twenty-three are you to have a baby born with down syndrome?
The likelihood of having a baby with Down syndrome increases with maternal age, with the risk increasing after the age of 35. At the age of 23, the probability of having a baby with Down syndrome is very low compared to older ages, but there is still a small risk. Prenatal screening tests can provide more information about the specific risk based on individual circumstances.
Does down syndrome affect more populations of people more so than other populations?
Down syndrome occurs across all racial, ethnic, and socioeconomic groups; however, its prevalence can vary slightly based on factors such as maternal age. Older mothers have a higher risk of having a child with Down syndrome, which may affect certain populations more if they have higher average maternal ages. Additionally, access to healthcare and prenatal screening can influence diagnosis rates in different populations. Overall, while Down syndrome can affect anyone, the impact may be influenced by demographic factors.
What increases the likelihood of Patau Syndrome?
Patau syndrome is primarily caused by having an extra copy of chromosome 13, known as trisomy 13. The likelihood of this genetic condition occurring increases with maternal age, particularly in women over the age of 35. However, most cases of Patau syndrome occur randomly with no known cause.
Would parents pass down syndrome to their future children?
No. Parents who have a child with Down syndrome do not have an increased chance in having another child with Down syndrome. Everyone has the same chance of having a child with Down syndrome, 1%.
What does maternal sister mean?
Maternal name means the mothers name. Paternal means the fathers name.
Does x-inactivation happen in klinefelters syndrome?
X-inactivation typically occurs in individuals with Klinefelter syndrome, which is characterized by having an extra X chromosome (XXY). However, the extra X chromosome in Klinefelter syndrome may not undergo inactivation completely, leading to some cells expressing genes from the additional X chromosome. This can result in a variety of symptoms and characteristics associated with Klinefelter syndrome.
What is the genetic disorder for having three 21 chromosomes?
down syndrome
