Value of ultrasonography on the prenatal diagnosis of fetal malformation in middle and late pregnancy

Objective: To assess the value of ultrasound on the prenatal diagnosis of fetal morphology and malformation. Methods: Prenatal screening has been carried out in 7826 fetal within 18- 40 weeks about fetal structures and fetal morphology. A retrospective analysis was performed according to the regulation of London fetal medicine foundation,21 pictures were collected and restored in the prenatal diagnosis. Results: Totally 192 fetal malformation structures from prenatal screening,including 8cases of missed diagnosis, detection rate of diagnosis was 95. 85%,162cases of single malformation( 162 /192,84. 37%),27cases of multiple malformations( 27/192,14. 06%),3 cases of twin abnormalities( 3/192,1. 56%). Conclusion: Prenatal ultrasonography which is the primary method on fetal malformation has a significant value ultrasound on the prenatal diagnosis of fetal morphology and malformation.