noun
congenital abnormality; birth defect; congenital disorder
Medical term for conditions present at birth, including structural and functional anomalies.
先天異常の原因は遺伝や環境要因など様々です。
The causes of congenital abnormalities are various, including genetics and environmental factors.
超音波検査で胎児の先天異常が見つかることがあります。
Congenital abnormalities in the fetus can sometimes be detected by ultrasound.
先天性疾患 is a broader term for congenital diseases, while 先天異常 specifically emphasizes structural or functional abnormalities present at birth.
Compound of 先天 (せんてん, 'congenital, innate') and 異常 (いじょう, 'abnormality, disorder').