•
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
