Is the Down syndrome screening related to the gestational age?

Patient's question:

It's very frightening when this happens. I often experience lower abdominal pain and don't know how to solve it, so I came here for consultation. Is the Down syndrome screening related to the size of the gestational age?

Doctor's answer:

Hello, the results of the Down syndrome screening are closely related to the gestational age. Down syndrome screening is based on the AFP, HCG, and UE3 indicators in the pregnant woman's blood, combined with the pregnant woman's age, weight, and gestational age to conduct a comprehensive assessment, determining the risk of the fetus suffering from trisomy 21, trisomy 18, and neural tube defects. Therefore, the results should be based on the actual gestational age. I hope my answer is helpful to you.

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