Objective To explore the clinical value of ultrasound on early diagnosing the fetalexencephaly and anencephaly sequence. Method 28 cases ultrasound early diagnosis of fetal exencephaly and anencephaly sequence ultrasonographic feature were analyzed retrospectively from January 2007 to November 2013.Results 28 cases of the exencephaly and anencephaly sequence were found in the early diagnosis, 22 were exencephaly and 6 were anencephaly . The final diagnosis were confirmed by autopsy or follow-up.Conclusions Ultrasound examination is safe, reliable ,practical, and fast, it is an dependable method on screening the fetal exencephaly and anencephaly sequence in the early diagnosis.
