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  • Title: Clinical utility of fetal autopsy and comparison with prenatal ultrasound findings.
    Author: Sankar VH, Phadke SR.
    Journal: J Perinatol; 2006 Apr; 26(4):224-9. PubMed ID: 16541112.
    Abstract:
    OBJECTIVES: To present a comprehensive analysis of autopsy findings in 206 fetuses referred to our genetic center and to assess the clinical utility of fetal autopsy in reaching a final diagnosis, which is essential for counseling regarding the risk of recurrence. We also compared the autopsy findings with prenatal ultrasound findings to evaluate the potential benefit of fetal autopsy in fetuses terminated after prenatal diagnosis of malformations. STUDY DESIGN: Retrospective review of patient records in a tertiary referral genetic center in North India during 5-year period (April 2000-March 2005). This includes 206 fetuses, 138 terminated after detecting an anomaly in ultrasonogram and 68 spontaneous fetal losses. In all cases, fetal autopsy was carried out and complimented by radiography, karyotype wherever possible and histopathological examination wherever necessary. In fetuses with prenatally diagnosed malformations, ultrasound findings were compared with autopsy findings. RESULTS: Fetal autopsy was able to provide a definite final diagnosis in 59% (122/206) cases. Fetal autopsy confirmed the ultrasound findings in all cases but two. Moreover, autopsy provided additional findings in 77 cases and of these, 24 cases had a significant change of recurrence risk. CONCLUSION: This study confirms the utility of fetal autopsy in identifying the cause of fetal loss, which will help in the genetic counseling of the couple. In cases with prenatally diagnosed anomalies, the new information from fetal autopsy changes the predicted probability of recurrence in 18% cases. Even though the prenatal ultrasonogram reasonably predicts the malformations, fetal autopsy gives significant additional malformations in one-third of the cases and is essential for genetic counseling.
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