A member asked:

Why are high hcg levels an indicator of down syndrome?

A doctor has provided 1 answer
Dr. Richard Pollard answered

Specializes in Anesthesiology

See below: As tests were developed to assess the fetal health it was noted that a fetus with down's syndrome had higher maternal HCG levels that a normal child. This came to be part of the test, along with maternal age and ultrasound examination, to asses the risk of having a down's child.

Answered 4/22/2019

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Are hCG numbers good indicators?

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