Congenital malformations, congenital anomalies or birth defects are conditions present at birth irrespective of their causes. Malformations are abnormalities of the human form that arise during embryogenesis (the first eight weeks of development). This large group of disorders affects almost 5% of infants and includes several major groups of conditions. The disabilities can range from mild to severe. Birth defects are divided into two main types: structural disorders in which problems are seen with the shape of a body part and
functional disorders in which problems exist with how a body part works. Functional disorders include
metabolic and
degenerative disorders. Some birth defects include both structural and functional disorders. Birth defects may result from
genetic or
chromosomal disorders, exposure to certain medications or chemicals, or certain
infections during pregnancy. Risk factors include
folate deficiency,
drinking alcohol or
smoking during pregnancy, poorly controlled
diabetes, and a mother over the age of 35 years old. Many are believed to involve multiple factors. Birth defects may be visible at birth or diagnosed by
screening tests. A number of defects can be detected before birth by different
prenatal tests. Treatment varies depending on the defect in question. This may include
therapy, medication, surgery, or
assistive technology. Birth defects affected about 88 million people as of 2009.
Conclusion
Congenital disorder is an abnormality of structure and, consequently, function of the
human body arising during development. These medical conditions range from mild to more severe. Some affect the organs or a single body part, while others can affect development, how the body works, or the senses. Congenital anomalies affect about 3% of pregnancies. It is possible to reduce the chance of some of these irregularities, but not all of them. Treatment of congenital malformations and anomalies may include medical and surgical treatment, including conservative management.
Keywords: congenital malformations, anomalies, birth defects, abnormality, disability, genetics, diagnosis, treatment, prevention.
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