A preterm infant (29 weeks old) has a platelet count of 85 ? 109/L. Is this a normal or abnormal finding?
a. Abnormal because infants have normal adult amounts of platelets after 27 weeks' gestation
b. Normal because preterm infants have decreased platelet counts as a result of abnormal birthing circumstances
c. Normal because platelet development is similar to lung development in an infant; levels depend on the age of gestation
d. Abnormal because preterm infants are subject to DIC, and that results in a decreased platelet count
Correct Answer: A
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