Clean living environment. Only fortune and opportunities can determine that, while you yourself can control the other two.
She could slow down her work out doing not doing intense exercises and do kind of easy/ medium exercises.
Once you get chickenpox, then only after a long period you will get it again. this is because your immune system knows how to respond to the pathogen the second time. so even though you get it, it won't as severe as the first time.
Amniocentesis is a test in which fluid is removed from the uterus so the baby's genetic composition can be determined.
true