how long does meth stay in your babys poop if the mother quit for a year but became pregnant an at 7months preg relapsed for a day? she has got help and in an out patient program 3 months now testing clean besides fear the damage she probably caused her baby shes scared the meth use will shiw in banys first poop and will be removed from her custody.... how long will it stay in babys poop doesnt babys poop filter thru mother