How is it inherited?
-loose skin folds
-abnormal clusters of blood vessels
-absence of ocular tissue from the iris
-abnormal development of the retina
-skin folds over the inner corners of the eyes
-eyebrows may be sparse or absent
-80 percent of infants with Trisomy 13 Syndrome also have congenital heart defects
-In infants with PDA, the channel that is present between the pulmonary artery and the aorta during fetal development fails to close after birth
-heart may be located in the right side of the chest
Test and Treatment
Johnson, Paul A. “Trisomy 13.” The Gale Encyclopedia of Genetic Disorders. Gale Virtual Reference Library. Web. 4 Apr. 2016.
“Trisomy 18 and 13.” Stanford Children Health. N.p., n.d. Web. 6 Apr. 2016. <http://www.stanfordchildrens.org/en/topic/default?id=trisomy-18-and-13-90-P02419>.
“Trisomy 13.” Genetics home reference. N.p., 13 Nov. 2013. Web. 6 Apr. 2016. <https://ghr.nlm.nih.gov/condition/trisomy-13>.
“Trisomy 13 Syndrome.” National Organization of Rare Diseases. Buyse ML. Birth Defects Encyclopedia. Dover, Mass: Blackwell Scientific Publications,, 2007. Web. 5 Apr. 2016. <http://rarediseases.org/rare-diseases/trisomy-13-syndrome/>.