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In both of these examples, knowledge about the presence and severity of congenital cardiac defects facilitated management of labor and delivery and allowed perinatal care to be optimized. The critical role of echocardiography in prenatal diagnosis is evident, and both the accuracy and safety of the test are now well established.
Birth defects may result in disabilities that may be physical, intellectual, or developmental. [2] The disabilities can range from mild to severe. [6] Birth defects are divided into two main types: structural disorders in which problems are seen with the shape of a body part and functional disorders in which problems exist with how a body part ...
Associated defects recorded in cases of sirenomelia include neural tube defects (rachischisis, anencephaly, and spina bifida), holoprosencephaly, hypoplastic left heart syndrome, other heart defects, esophageal atresia, omphalocele, intestinal malrotation, persistent cloaca, and other limb defects (most commonly absence of the radius).
This is a less common situation, in which the affectation is on the side of the hand towards the thumb. Radial polydactyly refers to the presence of an extra digit (or extra digits) on the radial side of the hand. It is most frequent in Indian populations and it is the second most common congenital hand disorder.
Fetus in fetu may be a parasitic twin fetus growing within its host twin. Very early in a monozygotic twin pregnancy, in which both fetuses share a common placenta, one fetus wraps around and envelops the other. The enveloped twin becomes a parasite, in that its survival depends on the survival of the host twin, by drawing on the host twin's ...
Craniopagus twins are conjoined twins who are fused at the cranium. [1] The union may occur on any portion of the cranium, but does not primarily involve either the face or the foramen magnum; the two brains are usually separate, but they may share some brain tissue. Conjoined twins are genetically identical and always share the same sex. [2]
The infant may be seriously affected and have a variety of birth defects. Complications in the mother and fetus can include pre-eclampsia, anemia, miscarriage, low birth weight, still birth, congestive heart failure, impaired neurointellectual development, and if severe, congenital iodine deficiency syndrome.
Congenital clubfoot occurs in 1 to 4 of every 1,000 live births, making it one of the most common birth defects affecting the legs. [6] [3] [7] About 80% of cases occur in developing countries where there is limited access to care. [6] Clubfoot is more common in firstborn children and males.