Diagnosis of microtia is made by the obstetrician or pediatrician at the time of the child's birth.
This type of birth defect is called microtia; it occurs in such disorders as hemifacial microsomia and Treacher Collins syndrome.
The term you are probably looking for is "congenital defect."
it is a type of neural tube defect or known as a birth defect
teratogens
no cause is known for it, though it is presumed to be a birth defect known as a localized Dysmelia. -from wikipedia.
A modular or medullary sponge kidney is a congenital birth defect of the tiny tubes inside the kidneys. This condition is known as CacchiÐRicci disease.
a congenital defect is one that a person is born with.
There are four different types of Spina Bifida, but no stages. It is a birth defect, and the damage to the spine and nerves results in the disability known as Spina Bifida.
congenital osteoarthritis
Fragile X is a genetic abnormality which is inherited and individuals therefore have the condition from birth, although, depending on the severity of the symptoms it is often undetected until early childhood. The average age of diagnosis is 8 years old. If however, parents are known to be carriers of Fragile X, the child may be given a blood test early on which is used to diagnose fragile x.
While it is possible for the baby of second cousins to have a birth defect, the changes of that are very small, not much different from the chances of such a thing happening to parents who are not known to be cousins.
This defect is known as chromatic aberration. Other names that are used to refer to it include chromatic distortion, achromatism and spherochromatism.