3 doctors weighed in:
If a mother used cocaine before her baby is born, how recent was it if it shows up in her own blood or urine at delivery?
3 doctors weighed in

Dr. Gregory Gapp
Obstetrics & Gynecology
2 doctors agree
In brief: Up to 12 weeks
A urine drug screen for Cocaine can remain positive for up to 12 weeks following the last ingestion or use.

In brief: Up to 12 weeks
A urine drug screen for Cocaine can remain positive for up to 12 weeks following the last ingestion or use.
Dr. Gregory Gapp
Dr. Gregory Gapp
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Dr. Cindy Juster
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