The fetus is potentially viable if born prematurely after how many weeks of gestation?
a. 12 to 16 weeks
b. 18 to 20 weeks
c. 24 to 26 weeks
d. 28 to 32 weeks
ANS: C
At the end of the canalicular period (24 to 26 weeks of gestation), the fetus, if born, is capable of sufficient gas exchange and is viable if supported completely with an artificial airway, O2, venti-latory support, and surfactant administration.
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