Respuesta :
The normal diameter of the fetal small bowel is less than or equal to 6 millimeters (mm).
The foetal colon lumen diameter seldom surpasses 23 mm, while the foetal small bowel lumen rarely exceeds 6 mm in diameter. With longer gestational periods, small intestinal peristalsis occurs more often. Peristalsis of the colon is absent. The colon's haustral folds are commonly seen.
This prospective research examined 300 foetuses' sonographic images of the typical small intestine and colon. Sonographic testing typically reveals healthy foetal intestines. As gestational age rises, so does the diameter of the small bowel and colon's lumen.
The foetal colon lumen diameter seldom surpasses 23 mm, while the foetal small bowel lumen rarely exceeds 6 mm in diameter. With longer gestational periods, small intestinal peristalsis occurs more often. Peristalsis of the colon is absent. The colon's haustral folds are commonly seen.
In relation to the foetal liver and intestinal wall, meconium in the colon always stays hypoechoic. Early-stage disease may imitate hyperechoic small bowel look while late-stage pathology may mimic cystic colon appearance. Early (8 to 11 weeks) gestation is when intestine herniation into the umbilical cord is typically noticed.
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