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The CDC and National Birth Defect Project studied the incidence of birth defects in the US. Key findings include: [citation needed] Down syndrome was the most common condition with an estimated prevalence of 14.47 per 10,000 live births, implying about 6,000 diagnoses each year. About 7,000 babies are born with a cleft palate, cleft lip or both.
Congenital heart defects are the most common birth defect. [3] [11] In 2015, they were present in 48.9 million people globally. [8] They affect between 4 and 75 per 1,000 live births, depending upon how they are diagnosed. [3] [12] In about 6 to 19 per 1,000 they cause a moderate to severe degree of problems. [12]
Heart disorders (Congenital heart defects) Hemifacial microsomia; Holoprosencephaly; Huntington's disease; Hirschsprung's disease, or congenital aganglionic megacolon; Hypertrichosis; Hypoglossia; Hypomelanism or hypomelanosis (albinism) Hypospadias; Haemophilia; Heterochromia; Hemochromatosis
The following is a list of genetic disorders and if known, type of mutation and for the chromosome involved. Although the parlance "disease-causing gene" is common, it is the occurrence of an abnormality in the parents that causes the impairment to develop within the child.
About 3% of newborns have a "major physical anomaly", meaning a physical anomaly that has cosmetic or functional significance. [20] Congenital disorders are responsible for 20% of infant deaths. [21] The most common congenital diseases are heart defects, Down syndrome, and neural tube defects. Trisomy 21 is the most common type of Down Syndrome.
It is the most common birth defect of the male genital tract. [1] About 3% of full-term and 30% of premature infant boys are born with at least one undescended testis. [2] However, about 80% of cryptorchid testes descend by the first year of life (the majority within three months), making the true incidence of cryptorchidism around 1% overall.
Fetal abnormalities are conditions that affect a fetus or embryo, are able to be diagnosed prenatally, and may be fatal or cause disease after birth. They may include aneuploidies, structural abnormalities, or neoplasms. Acardiac twin; Achondrogenesis; Achondroplasia
NTDs are one of the most common birth defects, affecting over 300,000 births each year worldwide. [2] For example, spina bifida affects approximately 1,500 births annually in the United States, or about 3.5 in every 10,000 (0.035% of US births), [ 1 ] [ 3 ] which has decreased from around 5 per 10,000 (0.05% of US births) since folate ...