No one is immune to birth defects, yet not everyone is equally susceptible. Birth defects are not merely a medical problem. They have profound effects on the social and psychological well being of their family and friends. In the normal course of fetal development, cells migrate to their appropriate destination so that organs and limbs form where they should. Usually, the genes perform flawlessly, but mistakes can and do occur. Some of the most common …showed first 75 words of 2410 total…

…showed last 75 words of 2410 total…