Prenatal Diagnosis and Obstetric Management
In Europe ultrasound examinations are commonly performed in virtually all pregnancies, usually between 11 and 13 weeks’ gestation and 20 weeks’ gestation . One of the main objectives of these investigations is the detection of fetal anomalies. The uptake of anomalies is variable in different studies, and indeed, the value of universal screening for anatomic malformations is debated [1–3]. The detection rate much varies depending upon different factors and the affected organs in particular. Sonographic investigation of the fetal gastrointestinal tract suffers from many limitations mostly because the fetal bowel is almost completely empty in early gestation. Furthermore, the esophagus and anorectal tract are incompletely seen. As a consequence of this, most intestinal obstructions are not identified until late in gestation or even after birth (Fig. 1.1).
KeywordsSmall Bowel Obstruction Ovarian Cyst Choledochal Cyst Esophageal Atresia Anorectal Malformation
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