Antonyms for congenital defects include healthy, normal, sound, impeccable, perfect, robust, strong, unimpaired, unmutilated, and flawless. These antonyms describe a state in which there are no physical abnormalities or deficiencies. They connote a condition that is devoid of any ailment, disability, or imperfection. The antonyms suggest a strong and well-formed body structure with all organs functioning normally. Congenital defects imply a deviation from the normal, whereas their antonyms signify a state of balance, well-being, and harmony. Therefore, it is crucial to ensure that prenatal care and genetic screening are priorities to reduce the likelihood of congenital defects and promote healthy development.