We use cookies to create the best experience for you. Keep on browsing if you are OK with that, or find out how to manage cookies.
Nobody downloaded yet

Trisomy 18 - Essay Example

Comments (0)
The syndrome was first described by Edwards et al in 1960 and hence the name (Chen, Emedicine). The condition affects all the organs of the body and is…
Download full paper
Trisomy 18
Read TextPreview

Extract of sample
Trisomy 18

Download file to see previous pages... The incidence of the condition during first trimester scanning is 1 in 400 (Chen, Emedicine). There is a strong female predominance with more than 80 percent of the detected cases being females. The condition does not have any racial predilection(Chen, Emedicine).
95 percent of pregnancies with trisomy 18 embryos spontaneously abort. Of the remaining which are born, only 5-10 percent survive beyond the first year of life. Thus, the mortality rate of this condition is very high. The mortality rate is because of the severely malformed organs like the heart, kidney and the brain, feeding problems, high rates of infection and breathing difficulties. The longest survival reported for this condition so far is 27 years (Chen, Emedicine).
The condition is detectable in the prenatal period. Some of the features which point to the possibility of trisomy 18 are maternal polyhydramnios or oligohydramnios, very small placenta, single umbilical artery, intrauterine growth retardation, fetal distress, defective fetal reflexes and decreased fetal activity. In the postnatal period, the clinical condition is obvious because of the array of clinical features. The new born usually has generalized hypotonia, apnea, jitteriness and seizures. The child will have marked failure to thrive, recurrent apnoiec episodes and poor feeding (Chen, Emedicine). On examination several organ defects will be obvious. The child may have defects of the skull manifesting as microcephaly, wide fontanellaes, prominent occiput, elongated skull or even narrow bifrontal diameter. Facial deformities include microphthalmia, micrognathia, microstomia, short palpebral fissures, epicanthal folds, choanal atresia, periauricular tags, and narrow palatal arch. Severe skeletal deformities exist including growth retardation, radial hypoplasia, clenched hands, syndactyly, rocker bottom feet, narrow pelvis, talipes equinovarus, etc. Typical of the clenched fingers include "overlapping digits, with the second and ...Download file to see next pagesRead More
Comments (0)
Click to create a comment or rate a document
Cell Division and Gene Expression
The absence or presence of an extra arm of a chromosome leads to disorders. Genetic disorders are caused by many mechanisms. Some of the mare mutations, aneuploidy, deletions, duplications, inversions and trans locations.
3 Pages(750 words)Essay
Demographic Paper Essay
Contemporary Approaches to Managing Long Term Conditions/Chronic Disease Introduction With over 60% of adults in the United Kingdom reporting a Chronic Health problem, including diabetes, mental health, obesity and others (Department of Health, 2004), it is evident that the management of long term chronic conditions is an important and challenging aspect of providing healthcare.
5 Pages(1250 words)Essay
Birth Defects
Birth Defects Formation of a baby after conception is the most amazing act of nature. Advances in medical sciences in last hundred years or so have unfolded the intricacies of human birth to a great extent; however, one cannot ignore the fact that one in every 80 babies is born with some kind of a birth defect.
6 Pages(1500 words)Essay
Medical genetics
The condition affects Oculocutaneous albinism is categorized into 4 different types (Types I, Type II, Type III and Type IV) and affects people from different ethnic groups as well as from different geographical regions. Types I and II are most common. Americans and African Americans suffer mostly from Type II, while Type III is prevalent among South Africans and Type IV is primarily found among Japanese and Koreans.
11 Pages(2750 words)Essay
Journal Article
The main aim was to determine the development of the brain structures so that appropriate clarifications could be made contrasting both normal and abnormal structure of the brain formation. The following research questions were used to guide the research process; 1.
3 Pages(750 words)Essay
Florida's 18 congressional district
Florida’s congressional district 18 ‘contains most of the city of Miami - stretching from Calle Ocho to West Miami and Westchester - parts of Miami Beach and some of the wealthiest parts of the city such as
8 Pages(2000 words)Essay
Having a child with Trisomy 21 - My Lot in Life
Expecting a child with Down syndrome with its associated problems is my lot. Fergus (2009) and Dykens (2007) note that trisomy 21 can be diagnosed either during pregnancy or after birth. The tests conducted to reveal presence of the disease in an
3 Pages(750 words)Research Paper
Deuteronomy 1-18
Deuteronomy defines man’s relation to his Creator Yahweh, where humans are not only created by the Lord as the most superior creature of the universe, but
7 Pages(1750 words)Essay
Teenage Bullying Ages 13-18
Failure to tackle the vice at its early stages allows it to develop and infiltrate the population to levels that cannot be eradicated (Hile 34). Terrorism and other horrifying crimes are propagated since the person is at their young and teenage through many
7 Pages(1750 words)Essay
HW #18
nant Level as well as Maximum Contaminant Level Goal for specific water contaminants that may have adverse health effects on public health and are anticipated to be present in water. Primary drinking water standards therefore set standards for permissible contaminants such as
2 Pages(500 words)Essay
Let us find you another Essay on topic Trisomy 18 for FREE!
Contact us:
Contact Us Now
FREE Mobile Apps:
  • About StudentShare
  • Testimonials
  • FAQ
  • Blog
  • Free Essays
  • New Essays
  • Essays
  • The Newest Essay Topics
  • Index samples by all dates
Join us:
Contact Us