•  Advanced maternal age
•  NT Screening
•  First trimester biochemistry
•  Combined screen
•  Sequential Screen
•  Integrated Screen
•  2nd trimester biochemistry
•  2nd trimester genetic sonogram
•  2nd trimester biochemistry+ US
•  Everything
Biochemistry
Ultrasound
1st Tri
2nd Tri
 
Screening Options for Fetal Down Syndrome