Department of Gynecology, Félix Guyon Hospital, 97400 Saint-Denis, Ile de la Réunion, France.

Case reports

Following images show a case of trisomy 18 which ultrasonographic signs were seen at 12 weeks of gestation.

Images 1, 2: 12 weeks of gestation; transverse scans of the fetal head showing mild brachycephaly and irregular choroid plexuses.

Image 3: 12 weeks of gestation; transverse scan of the fetal abdomen at the level of insertion of umbilical cord showing small omphalocele.

Image 4, 5: 12 weeks of gestation; transverse scans of the fetal neck with nuchal edema.

Image 6, 7, 8, 9, and videos 1, 2: 12 weeks of gestation; transverse scans of the fetal thorax showing atrioventricular septal defect of the heart.

Images 10, 11, 13: 12 weeks of gestation; 3D and 2D images of the fetal hands showing fetal hands with overlapping fingers and hexadactyly.