A member asked:

At what week of pregnancy down syndrome occur? can it occur after 12th week of pregnancy due to side effect of some medicine?

A doctor has provided 1 answer

Down's Syndrome: Down's Syndrome cannot result from any medicine. It is a defect in the number of chromosomes when pregnancy first occurs. It happens at the start and does not develop later in the pregnancy.

Answered 10/4/2016

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A member asked:

When do they test for Down syndrome during pregnancy?

A doctor has provided 1 answer