Early in fetal development a flat strip of tissue along the back of the fetus rolls up to form the neural tube. This information focuses on structural birth defects their causes their prevention and their treatment.
Through the resolution on birth defects of the sixty third world health assembly 2010 member states agreed to promote primary prevention and improve the health of children with congenital anomalies by.
Congenital defects list. Congenital bile acid synthesis defect type 1 congenital bile acid synthesis defect type 2 congenital central hypoventilation syndrome congenital chloride diarrhea congenital contractural arachnodactyly congenital cytomegalovirus congenital deafness with vitiligo and achalasia congenital diaphragmatic hernia congenital dyserythropoietic anemia. The list may vary depending on the capacity and resources of the health care system and surveillance programme but typically includes major external congenital anomalies. Hypomelanism or hypomelanosis albinism hypospadias.
Orofacial clefts neural tube defects and. D transposition of the great arteries. Hirschsprung s disease or congenital aganglionic megacolon.
Symptoms of nonclassic congenital hyperplasia include absent or irregular menstruation fatigue low blood pressure obesity and high cholesterol. Several types of congenital brain defects are caused by neural tube defects. Congenital heart defects include patent ductus arteriosus atrial septal defect ventricular septal defect and tetralogy of fallot.
Birth defects now known as congenital anomalies are conditions that a person has from birth. Congenital adrenal hyperplasia is a condition affecting the adrenal glands structures that sit above the kidneys to produce steroid hormones. Examples include cleft lip down syndrome and spina bifida.
Congenital anomalies are important causes of infant and childhood deaths chronic illness and disability. Congenital anomalies of the nervous system include neural tube defects such as spina bifida encephalocele and anencephaly. Hypoplastic left heart syndrome.
Functional developmental birth defects are addressed more completely in the intellectual and developmental disabilities content. Total anomalous pulmonary venous return. Coarctation of the aorta.
Some birth defects affect many parts or processes in the body leading to both structural and functional problems. Heart disorders congenital heart defects hemifacial microsomia.