noun
failure to thrive; growth disorder
Medical term for a condition where a child's physical growth or weight gain is significantly below expected norms. Often used in pediatric contexts.
乳児の成長障害の原因を調べるために、医師は詳しい検査を行った。
To investigate the cause of the infant's failure to thrive, the doctor conducted a detailed examination.
成長障害は早期発見と適切な栄養管理が重要です。
Early detection and proper nutritional management are important for growth disorders.
発育不全 is a broader term for underdevelopment or hypoplasia, often used for organs or tissues, while 成長障害 specifically refers to impaired growth in children.
Compound of 成長 (growth) and 障害 (disorder, impediment). The term is a direct medical calque from English 'growth disorder' or 'failure to thrive'.