A member asked:

How far back does meconium go back during a tox screen?

A doctor has provided 1 answer

Months: The meconium is the byproduct of months of internal digestive work.Drug exposures during the pregnancy may be gone from urine if mom has not been exposed in a week or so, but meconium can preserve the material for months.

Answered 12/13/2019

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Related Questions

A member asked:

What length of time does meconium represent for a baby?

A doctor has provided 1 answer