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Reprod. Med. | Free Full-Text | Role of Sonographic Second Trimester Soft Markers in the Era of Cell-Free DNA Screening Options: A Review
![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 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](https://media.springernature.com/lw685/springer-static/image/art%3A10.1186%2Fs12884-021-04332-0/MediaObjects/12884_2021_4332_Fig1_HTML.png)
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
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Early Detection of Down Syndrome Marker by Measuring Fetal Nuchal Translucency Thickness from Ultrasound Images during First Trimester | Semantic Scholar
![Fetal facial profile markers of Down syndrome in the second and third trimesters of pregnancy - Vos - 2015 - Ultrasound in Obstetrics & Gynecology - Wiley Online Library Fetal facial profile markers of Down syndrome in the second and third trimesters of pregnancy - Vos - 2015 - Ultrasound in Obstetrics & Gynecology - Wiley Online Library](https://obgyn.onlinelibrary.wiley.com/cms/asset/29046238-a4c4-47fb-8824-15bbee58c743/uog14720-fig-0002-m.jpg)
Fetal facial profile markers of Down syndrome in the second and third trimesters of pregnancy - Vos - 2015 - Ultrasound in Obstetrics & Gynecology - Wiley Online Library
![the Down syndrome detection rates of multiple markers from the two studies. | Download Scientific Diagram the Down syndrome detection rates of multiple markers from the two studies. | Download Scientific Diagram](https://www.researchgate.net/publication/221915171/figure/tbl1/AS:668974266208259@1536507302092/the-Down-syndrome-detection-rates-of-multiple-markers-from-the-two-studies.png)
the Down syndrome detection rates of multiple markers from the two studies. | Download Scientific Diagram
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Nasal bone length: prenasal thickness ratio: a strong 2D ultrasound marker for Down syndrome - Szabó - 2014 - Prenatal Diagnosis - Wiley Online Library
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