![]() For more information on Down syndrome, visit the Canadian Down Syndrome Society website.īabies with trisomy 18 have an extra chromosome 18. ![]() The chance of having a child with Down syndrome increases with the pregnant person/egg donor’s (in the case of a donated egg) age (See Table 3 in Additional Resources). In general, about one in 1000 babies born has Down syndrome. People with Down syndrome generally live into their fifties. There is no way to predict how serious or mild these differences will be. Treatment is available for many of these conditions. Individuals with Down syndrome have a greater possibility of health conditions than the average person, such as heart, stomach, bowel, thyroid, vision and hearing problems. An individual with Down syndrome is expected to learn to read and write and to be physically active, however major developmental milestones will be delayed. This usually causes mild to moderate intellectual disability, which means that adults will typically function at the level of an 8-10 year old. An individual with Down syndrome has an extra copy of chromosome 21 (trisomy 21). The conditions for which prenatal screening is usedīabies and children with Down syndrome are individuals who are just as unique and highly variable as anyone else. Your responses will help to improve this and other resources. We would greatly appreciate 1-2 minutes of your time to provide invaluable feedback on this Prenatal Screening Guide. We are working very hard to ensure the tools and resources on the GEC-KO site are of practical use to health care providers and their patients. If you have any difficulty viewing the content below, you may wish to update or change your web browser, or you may download/view the print friendly PDF version. Prenatal screening is about risk assessment. Through available prenatal screening and detailed second trimester ultrasound, the chance to have a baby with some specific genetic conditions and congenital anomalies can be more precisely determined. ![]() If you have any concerns about your family history, for example you have a genetic condition, there are close relatives with intellectual disability or who were born with one or more congenital anomalies, young children or babies that passed away unexpectedly, be sure to discuss that with your health care provider. Some risk factors, like family history or pregnant person/egg donor’s, can increase the chance that a person will have a baby with a congenital anomaly. The most common differences are structural heart defects, cleft lip and/or palate or a pattern of anomalies such as Down syndrome. In Canada, about 1 in 25 (4%) babies is born with a difference, called a congenital anomaly, that may require medical or surgical intervention. The guide is meant to help people decide whether or not prenatal screening is right for them. You can decide whether or not you would like to have prenatal screening. Prenatal Screening is an option available to everyone during pregnancy. Please find the print friendly PDF version here or a one page handout (featuring a table comparing available prenatal screening test and ‘map’ showing the typical prenatal screening paths) ![]()
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