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ABDOMINAL DEFECTS: WHAT IS ABDOMINAL DEFECTS?

Read about abdominal defects medical facts: what is the definition of abdominal defects, diagnosis, types of abdominal defects, and related abdominal defects diseases.

Definition: What is "Abdominal Defects"?

ABDOMINAL DEFECTS

Abdominal defects definition: Defects of the abdominal wall are comparatively common fetal abnormalities. It occurs in about 1 in every 2,000 births. Majority of these defects of the abdominal wall cannot be detected early on in pregnancy. When a defect is detected, it is necessary to pinpoint what type of defect it is so that proper medication & treatments can be done. There are many types of abdominal wall disorders. Some examples include: gastroschisis, omphalocele, esophageal atresia & duodenal atresia.

Diagnosis

Since most of these abdominal defects cannot be detected until early on in pregnancy, it is important for the expectant mother to undergo ultrasound examinations & cord insertions on her second & third trimester of pregnancy.

Types of Abdominal Defects

Gastroschisis & Omphalocele are generally the two most frequent cases of abdominal defects. Gastroschisis is a disorder that is normally found on the right portion of the umbilical cord insertion. This is not covered by any membrane that is why a small part of the bowel swells out. More often than not, it is the large & small bowels that are engaged but there are some cases when the liver, stomach & the genitourinary system may also be involved. The bowel could become thick or may be diluted because of amniotic fluid exposure. 15% of the time, segmental atresia or malrotation could be present. These two are cases of complications of the bowel. Gastroschisis is believed to be sporadic & is usually not associated with abnormalities of the chromosome. There are some domestic cases that were reported, though. Omphalocele, on the other hand, is a defect of the midline portion of the abdominal wall. This results into bowel herniation & contents of the abdomen to be poured out into the umbilical cord. This defect could be classified by the absence (or presence) of the liver organ in the omphalocele pouch. This defect is different from gastroschisis because a membrane covers the contents of the bowel in this case. When this happens, excess fluid often accumulates in the sac. Esophageal atresia is a common gastrointestinal sporadic disorder which is a result of incomplete separation of the foregut into the esophagus & trachea. It is difficult to diagnose this type of defect before the 24th week of gestation. Duodenal atresia is a disorder in which the duodenum has not developed normally which resulted in the obstruction of the bowel & the stomach. Amniocentesis could be beneficial to this type of defect.

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