what is congenital disease list
Congenital disorder, also known as congenital disease, birth defect or anomaly, is a condition existing at or before birth regardless of cause. Of these diseases, those characterized by structural deformities are termed congenital anomalies and involve defects in a developing fetus.Birth defects vary widely in cause and symptoms. Any substance that causes birth defects is known as a teratogen. limb anomaly is called a dysmelia. These include all forms of limbs anomalies, such as amelia, ectrodactyly, phocomelia, polymelia, polydactyly, syndactyly, polysyndactyly, oligodactyly, brachydactyly, achondroplasia, congenital aplasia or hypoplasia, amniotic band syndrome, and cleidocranial dysostosis.