A member asked:

How sensitive is meconium testing in the early trimester? if i quit smoking at 14 weeks 5 days and havent smoked since and im 29 weeks pregnant will it be in my unborn babies meconium at birth?

A doctor has provided 1 answer
Dr. Hiep Le answered

Specializes in Nephrology and Dialysis

Meconium begins to form at ~12-16 wks gestation and you quit smoking at 14-15th week so there is still 50/50 chance that nicotine will be detected in the meconium at birth.

Answered 12/17/2021

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