The procedure can identify more than 200 birth defects and disorders. These include abnormalities such as Down syndrome, a genetic condition caused by an extra chromosome marked by some degree of mental retardation and other disorders.
Crohn’s disease tends to be an on-again, off-again malady. After a bout of symptoms, you may go for weeks, months, or even years without any more trouble. Unfortunately, there’s no way to predict when the symptoms will return.