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Birth defect is a widely used term for a congenital malformation, i.e. a congenital, physical anomaly that is recognizable at birth, and which is significant enough to be considered a problem.
A physical disability is a limitation on a person's physical functioning, mobility, dexterity or stamina. [1] Other physical disabilities include impairments which limit other facets of daily living , such as respiratory disorders , blindness , epilepsy [ 2 ] and sleep disorders .
There are many instances of mythological characters showing signs of a deformity.. Descriptions of mermaids may be related to the symptoms of sirenomelia.; The Irish mythology includes the Fomorians, who are almost without exception described as being deformed, possessing only one of what most have two (eyes, arms, legs, etc.) or having larger than normal limbs.
About 3% of newborns have a "major physical anomaly", meaning a physical anomaly that has cosmetic or functional significance. [21] Developmental defects manifest in approximately 3% to 5% of newborns in the United States, between 2% to 3% of which are teratogen-induced. [22] Congenital disorders are responsible for 20% of infant deaths. [23]
Minor physical anomalies (MPAs) are relatively minor (typically painless and, in themselves, harmless) congenital physical abnormalities consisting of features such as low-set ears, single transverse palmar crease, telecanthus, micrognathism, macrocephaly, hypotonia and furrowed tongue.
Congenital disorders, or birth defects, are conditions present at birth. They may be structural or functional, and can result from genetic or chromosomal disorders or from environmental factors during pregnancy. Environmental factors may include exposure to chemicals, infections, or physical trauma.
The VACTERL association (also VATER association, and less accurately VACTERL syndrome) refers to a recognized group of birth defects which tend to co-occur (see below).This pattern is a recognized association, as opposed to a syndrome, because there is no known pathogenetic cause to explain the grouped incidence.
Heart disorders (Congenital heart defects) Hemifacial microsomia; Holoprosencephaly; Huntington's disease; Hirschsprung's disease, or congenital aganglionic megacolon; Hypertrichosis; Hypoglossia; Hypomelanism or hypomelanosis (albinism) Hypospadias; Haemophilia; Heterochromia; Hemochromatosis