i am 28 weeks pregnant & i continued to use marijuana. i just dont know the Kentucky laws for drug testing newborns. do they only test them if i am suspected of using? & how long does it take for the babys system to be clean? & before you start downing me, i have asked my hospital which was worse during pregnancy, marijuana or ciggarretes, they said cigs. & i have done plenty of research. so leave your mean comments to yourself cause i honestly wont take none of it to heart.