Doctor insights on:
Down's Syndrome Growth Chart
No: Down's Syndrome is caused by a translocation of the 21st chromosome. The cause of Goldenhar syndrome is not exactly clear. Totally unrelated syndromes. ...Read more
A growth chart is used by pediatricians to follow a child's growth over time. Growth charts have been constructed by observing the growth of large numbers of normal children over time. The height, weight, and head circumference of a child can be compared to the expected parameters of children of the same age and sex to determine whether the ...Read more
Variable: They are both "genetic" conditions but they are different in the spectrum of issues they present-. People with fragile x may have subtle cognitive impairments all depending on how affected the fmr1 gene is. People with downs have an extra chromosome and kids have delayed cognition as well as physical growth and frequently heart problems.. They both may exhibit autistic traits, more so fagile x. ...Read more
Early Intervention: Programs for infants with DS accelerate attainment of motor, communication, self-help/adaptive & cognitive skills through OT, PT, cognitive, behavioral & Speech/Language Therapy from 0-3, then Early Childhood Special Education beginning at age 3 + individual therapies, if possible. Ask teachers & therapists what skills your child has mastered, what he's ready to do next & how to motivate him. ...Read more
Excessive masterbution from age15 male caused early onset puberty causing my growth plates to close prematurely resticting to my potential height gain?
Chromosome defect: Ds is one of the more common chromosome(c) defects that can survive pregnancy (many others miscarry).Eggs are supposed to have a single 21c & combine with the 21 from dads normal sperm.Here a pair of moms 21c +dad's 21 creates a baby with the extra 21c in all tissues.This extra material confuses the creation of body parts causing ds..Various prenatal tests can pick up signs early on. ...Read more
9.7 mnth old has a head circum. of 44cm,47.3% range on growth chart.Is this normal?She babbles,crawls,pulls self up.Not much change from 6mnth appt.
Missing information: Head circumference is normal, near average, but we need the velocity of its growth. Head growth slows normally after 6 mos., but should plot along or near the same growth curve it's always followed. Strings of babbling at 6 mos. become non-specific " da-da, ma-ma" in 9th mo. Gross motor is good. Screens are on firstsigns.org. Follow-up with pede. & MS Early Intervention Program if concerned. ...Read moreSee 1 more doctor answer
Hi my son is 14 .9 years his height is 5'4" tall. Bone test mentions iliac crest is partuially united with ts counterpart. will his height increase?
No: They tend to grow at a pretty normal rate prior to birth. Deficiencies in linear growth will eventually occcur in the average ds kid as they grow older. However, some maintain a relatively normal rate of growth, dependingg on other factors affecting their health. ...Read more
Is there a relationship bethween Central precocious puberty in childhood and the slow down of basal metabolism in adulthood? Thanks
No: The two syndromes have some similar features, but they are different syndromes that are unrelated. Klinefelter syndrome is caused by ahaving at least one extra x chromosome in a person who has a y chromosome (normal male=46 xy, klinefelter=47xxy). Typical marfan syndrome is caused by a mutation in fbn1, coding for fibrillin-1. ...Read moreSee 1 more doctor answer
If your sibling has down syndrome, is there a greater risk that your own baby will have down syndrome?
Depends: Two major types of down syndrome: 1. Non-disjunction type related sometimes to older age of the mother; there is no risk to your baby 2. Translocation type meaning one chromosome is attached to another one: yes you could be normal but carry one chromosome on top of the other and pass that to your baby. This is easy to discover by testing your own chromosomes (a blood test). ...Read moreSee 1 more doctor answer
Name game: Dr.Langdon Down worked at a home for the retarded in Britain in the 1800's.He was credited for the first published description of the syndrome that would carry his name. After the human chromosomes were identified and numbered in the 1950's, DS was studied and trisomy 21 was identified in most. Later studies show an extra piece of a specific area of the 21 is all that is needed to have DS. ...Read moreSee 2 more doctor answers
Not autosomal: Down syndrome happens when an extra 21 chromosome is present in the cells of the body. It happens before conception when the donor egg fails to shed one of its 21 chromosomes in the formation of the egg & the male 21 joins the female pair & creates an embryo with 3 number 21's. It has nothing to do with autosomal traits or mutations in the gene code. ...Read more
It isn't...: Maternally inherited, unless the mother has down's syndrome. Inherited means it's passed from generation to generation. When down's occurs, the egg has two copies of chromosome 21 instead of the usual one copy, so when the egg is fertilized, it ends up with three copies instead of the usual two. This is a new event, not an inheritance. The risk of down's syndrome increases with maternal age. ...Read moreSee 1 more doctor answer
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