Diagnostic value of systematic ultrasonography for trisomy 18 syndrome in fetuses before 16 weeks gestation
Unusual Presentations of Trisomy 21 | Journal of Fetal Medicine
Soft Markers of Chromosomal Aberrations | Radiology Key
Ultrasonographic soft markers of aneuploidy in second trimester fetuses - ScienceDirect
Soft Markers for Aneuploidy — CREOGS Over Coffee
Ultrasound in Trisomy 18 and 13
Figure 16 from Simplifying the ultrasound findings of the major fetal chromosomal aneuploidies. | Semantic Scholar
Genetic sonogram and soft tissue markers | PPT
Soft Markers of Chromosomal Aberrations | Radiology Key
Utility of fetal facial markers on a second trimester genetic sonogram in screening for Down syndrome in a high-risk Thai population | BMC Pregnancy and Childbirth | Full Text