Are females with Down syndrome fertile?

Down Syndrome (DS) refers to a genetic condition that is caused by an extra chromosome in the DNA chain on chromosome 21, referred to as Trisomy 21, ... Trisomy 21– More than 90% of Down syndrome cases are caused by trisomy 21. An extra chromosome (chromosome 21) originates in the development of either the sperm ... Down syndrome happens when a person is born with an extra chromosome. Chromosomes determine how a baby's body forms and functions. · What causes Down syndrome? Feb 17, 2022 ... Congenital Heart Defects affect approximately 50% of babies born with Down syndrome. Learn more about causes, common types, and treatments. It affects about 1 in 700 babies. Adults with Down syndrome may live about 60 years, but this can vary. What causes Down syndrome in a child? An egg cell and ... Many children with Down's syndrome have some degree of hearing loss. Often this is caused by glue ear (a build-up of fluid in the middle ear) but there can be ... Oct 22, 2004 ... The “Down syndrome critical region” (DSCR) is a chromosome 21 segment purported to contain genes responsible for many features of Down ... The additional partial or full copy of the 21st chromosome which causes Down syndrome can originate from either the father or the mother. Approximately 5% of ... Jun 20, 2018 ... Down syndrome is a condition in which a person is born with an extra copy of chromosome 21. The condition is associated with intellectual disability. What is Down syndrome? Down syndrome is caused by the presence of an extra chromosome number 21 in the cells of the developing baby.