47,XX,+21; 47,XY,+21; Trisomy 21
A disorder caused by the presence of an extra chromosome 21 and characterized by mental retardation and distinguishing physical features.
Anencephaly is a defect in the closure of the neural tube during fetal development. The neural tube is a narrow channel that folds and closes between the 3rd and 4th weeks of pregnancy to form the brain and spinal cord of the embryo. Anencephaly occurs when the "cephalic" or head end of the neural tube fails to close, resulting in the absence of a major portion of the brain, skull, and scalp. Infants with this disorder are born without a forebrain (the front part of the brain) and a cerebrum (th...
Down Syndrome as related to Anencephaly
- Facts about Anencephaly | Birth Defects | NCBDDD | CDC
Down Syndrome; Eye Defects; Fetal Alcohol Syndrome Disorders; Gastroschisis; ... CDC continues to study birth defects, such as anencephaly, and how to prevent them.
- Down syndrome - Wikipedia, the free encyclopedia
Down syndrome (trisomy 21). Down ... Anencephaly is a serious birth defect in the closure of the neural tube, ... Why it's done; Mayo Clinic Footer. Request Appointment;
- Down Syndrome | Birth Defects | NCBDDD | CDC
Down syndrome is a condition in which a person has an extra chromosome. Chromosomes are small “packages” of genes in the body. Babies with Down syndrome …
- Termination rates after prenatal diagnosis of Down ...
Anencephaly - Genetics Home Reference
Anencephaly is a complex condition that is likely caused by the interaction of multiple genetic and environmental factors. Some of these factors have been identified ...
- Anencephaly - Wikipedia, the free encyclopedia
Provides information relating to prenatal screening and diagnosis of neural tube defects, Down syndrome, and trisomy 18 including clinical background, individuals ...
- Down Syndrome and Abortion - Christian Life Resources
Down Syndrome and Abortion Susan W. Enouen, PE. CLR NOTE: Despite the date of this article, it is nevertheless included on this website for your information.
- What Are Prenatal Serum Screening Tests for Down Syndrome?
Serum Screening Tests. Now numerous serum screening tests (blood tests) are available during pregnancy that estimate your chance to have a baby with Down syndrome …