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1 Down Syndrome | Boston Children’s Hospital
- Author: childrenshospital.org
- Published Date: 10/24/2021
- Review: 4.94 (959 vote)
- Summary: Down syndrome is a genetic condition that happens when a child is born with … Down syndrome is the most common genetic cause of intellectual disability,
- Matching search results: From their first visit at Boston Children’s, new parents work with a team of professionals committed to supporting all of their child’s clinical, physical, and emotional needs. We provide specialized medical care, resources, support, and advocacy …
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2 Down syndrome – March of Dimes
- Author: marchofdimes.org
- Published Date: 12/22/2021
- Review: 4.78 (459 vote)
- Summary: This condition happens when a person has two copies of chromosome 21, but they also have an extra part of chromosome 21 or a whole extra chromosome 21 that’s
- Matching search results: If you or your partner has a family history of Down syndrome, tell your health care provider or genetic counselor. Family history means that someone in either of your families has the condition. Use our family health history form to help you find …
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3 Down Syndrome: Trisomy 21 – American Pregnancy Association
- Author: americanpregnancy.org
- Published Date: 07/18/2022
- Review: 4.53 (295 vote)
- Summary: Down syndrome is the most common birth defect in the United States. … In the United States, Down syndrome occurs in 1 of every 800 infants with many as
- Matching search results: Symptoms of Down syndrome can range from mild to severe. Mental and physical developments are usually slower in people with Down syndrome than for those without the condition. Infants born with Down syndrome may be of average size, but grow slowly …
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4 Down syndrome (Trisomy 21) – LSUHSC School of Medicine

- Author: medschool.lsuhsc.edu
- Published Date: 11/28/2021
- Review: 4.31 (401 vote)
- Summary: What causes Down syndrome? Normally, people have two copies of each chromosome-46 total. Patients with Down syndrome have an extra copy of their 21st chromosome
- Matching search results: Ayesha Umrigar, PhD; Gabrielle Sheets; Meher Banajee, Ph.D., CCC-SLP; Fern Tsien, Ph.D. Down syndrome is one of the most common genetic birth defects, occurring in 1 out of 691 births (about 6000 births) each year in the United States.What causes …
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5 Down syndrome – Symptoms and causes – Mayo Clinic
- Author: mayoclinic.org
- Published Date: 02/19/2022
- Review: 4.19 (598 vote)
- Summary: Down syndrome results when abnormal cell division involving chromosome 21 occurs . These cell division abnormalities result in an extra partial or full chromosome 21. This extra genetic material is responsible for the characteristic features and developmental problems of Down syndrome
- Matching search results: When balanced translocations are inherited, the mother or father has some rearranged genetic material from chromosome 21 on another chromosome, but no extra genetic material. This means he or she has no signs or symptoms of Down syndrome, but can …
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6 About Down Syndrome
- Author: dsagsl.org
- Published Date: 07/24/2022
- Review: 3.8 (361 vote)
- Summary: Down syndrome is a genetic condition that causes delays in physical and … Mosaicism occurs when nondisjunction of chromosome 21 takes place in only one of
- Matching search results: When balanced translocations are inherited, the mother or father has some rearranged genetic material from chromosome 21 on another chromosome, but no extra genetic material. This means he or she has no signs or symptoms of Down syndrome, but can …
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7 Down syndrome – Genetics – MedlinePlus
- Author: medlineplus.gov
- Published Date: 06/09/2022
- Review: 3.6 (580 vote)
- Summary: · Causes · Most cases of Down syndrome result from trisomy 21 · Less commonly, Down syndrome occurs when part of chromosome 21 becomes attached (
- Matching search results: When balanced translocations are inherited, the mother or father has some rearranged genetic material from chromosome 21 on another chromosome, but no extra genetic material. This means he or she has no signs or symptoms of Down syndrome, but can …
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8 Down Syndrome: Symptoms, Causes, Treatments – Cleveland Clinic
- Author: my.clevelandclinic.org
- Published Date: 12/21/2021
- Review: 3.5 (304 vote)
- Summary: · Each human cell typically contains 23 pairs of chromosomes. Down syndrome occurs because of changes in the way cells in chromosome 21 divide
- Matching search results: When balanced translocations are inherited, the mother or father has some rearranged genetic material from chromosome 21 on another chromosome, but no extra genetic material. This means he or she has no signs or symptoms of Down syndrome, but can …
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9 Down Syndrome: Causes, Types, and Symptoms – Healthline
- Author: healthline.com
- Published Date: 10/28/2021
- Review: 3.38 (370 vote)
- Summary: Trisomy 21 means there’s an extra copy of chromosome 21 in every cell. This is the most common form of Down syndrome. Mosaicism. Mosaicism occurs when a child
- Matching search results: When balanced translocations are inherited, the mother or father has some rearranged genetic material from chromosome 21 on another chromosome, but no extra genetic material. This means he or she has no signs or symptoms of Down syndrome, but can …
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10 Down Syndrome: Causes, Symptoms, Diagnosis, & Treatment
- Author: webmd.com
- Published Date: 02/01/2022
- Review: 3.14 (321 vote)
- Summary: · People with Down syndrome are born with an extra chromosome. Chromosomes are bundles of genes, and your body relies on having just the right
- Matching search results: When balanced translocations are inherited, the mother or father has some rearranged genetic material from chromosome 21 on another chromosome, but no extra genetic material. This means he or she has no signs or symptoms of Down syndrome, but can …
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11 What is Down syndrome?
- Author: downsyndrome.org.au
- Published Date: 11/16/2021
- Review: 2.92 (154 vote)
- Summary: Down syndrome is a genetic condition and is also sometimes known as trisomy 21. … Down syndrome is something that happens in babies before they are born,
- Matching search results: When balanced translocations are inherited, the mother or father has some rearranged genetic material from chromosome 21 on another chromosome, but no extra genetic material. This means he or she has no signs or symptoms of Down syndrome, but can …
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Top 10+ why is eating healthy important
12 Facts About Down Syndrome

- Author: nads.org
- Published Date: 05/12/2022
- Review: 2.72 (138 vote)
- Summary: Down syndrome is a genetic condition that causes delays in physical and intellectual development. It occurs in 1 in every 792 live births
- Matching search results: Most children with Down syndrome have mild to moderate impairments but it is important to note that they are more like other children than they are different. Early Intervention services should be provided shortly after birth. These services should …
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13 About Down Syndrome – National Human Genome Research Institute
- Author: genome.gov
- Published Date: 04/19/2022
- Review: 2.67 (52 vote)
- Summary: · Down syndrome is a chromosomal condition related to chromosome 21. It affects 1 in 800 to 1 in 1000 live born infants
- Matching search results: Most children with Down syndrome have mild to moderate impairments but it is important to note that they are more like other children than they are different. Early Intervention services should be provided shortly after birth. These services should …
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14 The Genetics of Down’s Syndrome
- Author: intellectualdisability.info
- Published Date: 09/26/2021
- Review: 2.69 (119 vote)
- Summary: It does this by making an exact copy of the genes in a cell. … Down’s syndrome occurs in babies born with extra chromosome 21 material in their cells
- Matching search results: Translocation carriers and other members of the family? Even if parents do not intend to have more children, knowing that one of them is a carrier can be important for all their children or other relatives. Relatives of a person who carries a …
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15 Healthdirect Free Australian health advice you can count on
- Author: healthdirect.gov.au
- Published Date: 04/06/2022
- Review: 2.57 (95 vote)
- Summary: Down syndrome occurs when a baby is born with an extra (third) copy of chromosome 21. It is a genetic condition and is not an illness or a disease
- Matching search results: Translocation carriers and other members of the family? Even if parents do not intend to have more children, knowing that one of them is a carrier can be important for all their children or other relatives. Relatives of a person who carries a …
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16 Facts about Down Syndrome | CDC
- Author: cdc.gov
- Published Date: 01/18/2022
- Review: 2.38 (179 vote)
- Summary: · Down syndrome is a condition in which a person has an extra chromosome. Chromosomes are small “packages” of genes in the body
- Matching search results: Down syndrome is a condition in which a person has an extra chromosome. Chromosomes are small “packages” of genes in the body. They determine how a baby’s body forms and functions as it grows during pregnancy and after birth. Typically, a baby is …
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17 About Down’s Syndrome
- Author: downs-syndrome.org.uk
- Published Date: 02/27/2022
- Review: 2.29 (176 vote)
- Summary: This video, ‘Chromosomes R Us’, is a short film by actors who have Down’s syndrome video explaining how Trisomy 21 occurs. It was made by Shabang Inclusive
- Matching search results: Down syndrome is a condition in which a person has an extra chromosome. Chromosomes are small “packages” of genes in the body. They determine how a baby’s body forms and functions as it grows during pregnancy and after birth. Typically, a baby is …
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18 What causes Down syndrome? | NICHD
- Author: nichd.nih.gov
- Published Date: 04/08/2022
- Review: 2.18 (155 vote)
- Summary: · Down syndrome is caused by a random error in cell division that results in the presence of an extra copy of chromosome 21. The type of error
- Matching search results: Down syndrome is a condition in which a person has an extra chromosome. Chromosomes are small “packages” of genes in the body. They determine how a baby’s body forms and functions as it grows during pregnancy and after birth. Typically, a baby is …
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19 Trisomy 21 (Down Syndrome) | Children’s Hospital of Philadelphia
- Author: chop.edu
- Published Date: 03/16/2022
- Review: 2.07 (194 vote)
- Summary: Also known as Down syndrome, trisomy 21 is a genetic condition caused by an extra chromosome. Most babies inherit 23 chromosomes from each parent, for a
- Matching search results: Down syndrome is a condition in which a person has an extra chromosome. Chromosomes are small “packages” of genes in the body. They determine how a baby’s body forms and functions as it grows during pregnancy and after birth. Typically, a baby is …
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20 Down Syndrome: Practice Essentials, Background, Pathophysiology
- Author: emedicine.medscape.com
- Published Date: 10/06/2021
- Review: 2.06 (149 vote)
- Summary: · Down syndrome is caused by the following 3 cytogenic variants: … In 94% of patients with Down syndrome, full trisomy 21 is the cause; mosaicism
- Matching search results: Down syndrome is a condition in which a person has an extra chromosome. Chromosomes are small “packages” of genes in the body. They determine how a baby’s body forms and functions as it grows during pregnancy and after birth. Typically, a baby is …
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21 What to know about Down syndrome
- Author: medicalnewstoday.com
- Published Date: 06/14/2022
- Review: 1.99 (128 vote)
- Summary: Down syndrome is a genetic condition that occurs when there is an extra copy of a specific chromosome: chromosome 21. The extra chromosome can affect a person’s
- Matching search results: Down syndrome is a condition in which a person has an extra chromosome. Chromosomes are small “packages” of genes in the body. They determine how a baby’s body forms and functions as it grows during pregnancy and after birth. Typically, a baby is …
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22 What is Down&x27s syndrome? – Down&x27s syndrome
- Author: nhs.uk
- Published Date: 06/16/2022
- Review: 1.69 (112 vote)
- Summary: Down’s syndrome is when you’re born with an extra chromosome. You usually get an extra chromosome by chance, because of a change in the sperm or egg before
- Matching search results: Down syndrome is a condition in which a person has an extra chromosome. Chromosomes are small “packages” of genes in the body. They determine how a baby’s body forms and functions as it grows during pregnancy and after birth. Typically, a baby is …
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23 Patient education: Down syndrome (Beyond the Basics) – UpToDate
- Author: uptodate.com
- Published Date: 06/10/2022
- Review: 1.79 (140 vote)
- Summary: · Down syndrome is the most common form of intellectual disability in the world. It occurs in approximately 1 out of every 1000 babies born
- Matching search results: Down syndrome is a condition in which a person has an extra chromosome. Chromosomes are small “packages” of genes in the body. They determine how a baby’s body forms and functions as it grows during pregnancy and after birth. Typically, a baby is …
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