Wishful thinking may cause blindness to unintended consequences. Policies frequently have side effects or unintended consequences. Some nanoparticle products may have unintended consequences. Other laws are pragmatic and observational, such as the law of unintended consequences. Perverse incentives are a type of negative unintended consequence. I am sorry for the unintended consequences of my actions. This category includes those injuries or poisonings described as unintended or accidental. Children resulting from unintended pregnancies are more likely to exhibit delinquent behavior. Children resulting from unintended pregnancies are more likely to be abused or neglected. This can result in sexually transmitted diseases along with unintended pregnancies. Thus many of their policies had unintended destabilizing effects. The death of the human embryo is unintended although foreseen. Maybe it's caused by more unintended injuries. Macroeconomic policy generally aims to reduce unintended unemployment. As a result, there were inconsistencies and even contradictions that gave rise to unintended collisions.