regarding nuchal translucency measurement

[mamhibt]

Dear Dr,
What should be the NT measurement to ruleout Downs syndrome? At what gestational age it should be measured to be diagnostic? Nasal bone assessment is done to ruleout which anomaly? Please reply.
Yours
mamhibt

[Dr. Wisot]

This is out of our area of expertise.

Arthur L. Wisot, M. D.
Reproductive Partners Medical Group
Redondo Beach, California