Intrauterine growth restriction by definition occurs when the birth weight of a new born infant is

A: Below the 10th percentile for a given gestational age
B: Below the 15th percentile for a given gestational age
C: Below the 20th percentile for a given gestational age
D: Below the 25th percentile for a given gestational age
E: Below the 30th percentile for a given gestational age

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解析：