if you are women the answer would be fertility problems i hope this helped have a great day
OK so basically you use a compound light microscope to observe specimen so if you were trying to find micro organisms that would be the one to choose.
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.
In this scenario, all of them except Tristan are technically abusing drugs, even if their intentions are pure, like Madeline. You take medicine exactly how your doctor prescribes it to you.