Pregnant women planning to deliver their baby in hospital A were given a poison control test. After the delivery of their baby, the new moms attended a two hour training session on poison control. One week later, at the baby's one-week check-up exam, the new moms retook the poison control test. Located in the same city, pregnant women planning to deliver their baby in hospital B were given a poison control test. One week later, at the baby's one-week check-up exam, these new moms retook the poison control test.