Final answer:
A left turn on a red light is typically only allowed when turning from a one-way street to another one-way street if legally permitted. In an emergency with no other cars present, such as a pending childbirth, some may argue for an exception, but this action remains illegal.
Step-by-step explanation:
You can make a left turn on a red light under very specific conditions, such as when you are turning from a one-way street onto another one-way street, and it is legal in your jurisdiction. However, the scenario provided with the pregnant woman going into labor at 4 AM presents an ethical dilemma.
While normally it is illegal to disregard traffic signals, in an emergency situation where no other cars are around and there is an immediate need to reach a hospital, some might argue that carefully proceeding through the red light might be justifiable to ensure the safety and well-being of the mother and the unborn child. However, it must be noted that by doing so you would still be breaking the law and could be held accountable for any possible consequences.