mosaic trisomy 18 life expectancy

Recent advancement in medical treatment with social support has increased the life expectancy for DS population. The fetal mortality rate of with the trisomy 21 is very less unlike trisomy 18 and 13.

Pdf Longevity And Patau Syndrome What Determines Survival

As mentioned above see Etiology and Pathogenesis among patients with mosaic trisomy 18 the phenotype is extremely variable.

. The presence of an extra X chromosome in each of a females cells is known as trisomy X commonly known as triple X syndrome or 47 XXX. Several other methods have been developed and used for the rapid detection of trisomy 21 either in fetal life or after birth. Previously a region of 16 to 25 Mb was recognised as sufficient cause for DS pehnotype 17 18.

The life expectancy of trisomy 21 is similar to normal people one can live up to 60 years if well organised and proper treatment is given. Despite the fact that girls with this disorder are often taller than average this chromosomal change does not usually result in any distinctive physical characteristics or genetic disorders. Suggests that surgery should be considered in trisomy 18 infants because it may improve life expectancy facilitate discharge from the hospital and improve quality of life of both patient and family.

Although the patient has to safe several mental intellectual and developmental problems.

Rare Case Of Live Born With Confirmed Mosaic Trisomy 17 And Review Of The Literature Baltensperger 2016 Clinical Case Reports Wiley Online Library