Even confident drivers may feel a pang of anxiety when they find themselves traveling next to an 18-wheeler. This is for good reason: If an accident happens, a truck can do far more damage than an ordinary passenger vehicle. Additionally, in some situations, a semi can be more likely to cause a crash in the first place.
As beautiful as giving birth is, it sometimes can also be dangerous for the mother and/or baby. Often, the risks are due to natural factors out of anyone's control. Other times, the danger comes from medical staff causing harm.