Answer : D all of the above
The most likely reason for death for someone born in 1900 was caused by Influenza and pneumonia. The most likely causes for death for some one born in 2006 is congenital malformations.
Birth defects can be caused wither by internal genetic factors or external factors like drugs, radiation, smoking,...
Dana, who is concerned about the possibility that her baby will have defects, may do the following tests: screening test, that will show if she might have child with birth defect and diagnostic test like amniocentesis (analyzing small amount of amniotic fluid from the area surrounding the baby) which is more than 90% correct.
Build and repair the body
