congenital malformation

https://doi.org/10.1351/goldbook.10554

Malformation existing at birth, or developing during the first month of life, regardless of the cause.

See also: birth defect
Source:
PAC, 2016, 88, 713. (Glossary of terms used in developmental and reproductive toxicology (IUPAC Recommendations 2016)) on page 739 [Terms] [Paper]