In some cases, bringing home your brand new baby doesn't bring happy thoughts like the ones you were expecting. If this is the case, you may be suffering from postpartum depression. If you have suffered depression anytime before giving birth, your chances of suffering postpartum depression are even greater.Postpartum depression can occur in up to 16% of new moms, but this number may actually be higher due to the amount of untreated depression.Don't confuse 'baby blues' with postpartum depression.