Yīshēng jiāncè yīng'ér de shēngzhǎng fāyù qíngkuàng.
The doctor monitors the infant's growth and development.
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生长 refers to physical growth (size, height), 发育 to developmental maturation (organs, puberty, cognition). Paired, they cover the full biological arc from infant to adult — standard in pediatrics and biology textbooks.