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angie21 angie21
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7 years ago
During the 30th week of Joan's pregnancy, she was exposed to rubella. Even though she lacked immunities for the virus, it will not affect her developing baby. This exemplifies:
   A.   
readiness.
   B.   
a critical period.
   C.   
maturation.
   D.   
an optimal period.
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wrote...
7 years ago
B. A critical period

Rubella is usually only a problem in women of less than 20 weeks gestation.
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