How far back does a drug test go using the baby's umbilical cord? particularly for meth

I don't look there: They would likely screen your urine as a preliminary act if they suspect you are using.However, we check the poop of the infant when it is going to be important. Babies start making and retaining poop by about 12 weeks into pregnancy and it will retain trace amounts of any drug baby is exposed to during the last several months of pregnancy.