The educational program may be an apprenticeship, a formal university program, or a combination of both. In addition to this, midwives are specialists in low-risk pregnancy, childbirth, and postpartum care. They are trained not to intervene in the process unless imperative, and if they find a problem that is beyond their area of expertise, they refer women to obstetricians. However, minor deviations can be handled by a midwife.