This unit group includes nurse practitioners, physician assistants and midwives who provide primary health care and treatment in conjunction with physicians and in collaboration with other health professionals. Nurse practitioners and physician assistants provide a range of health services to patients delivering preventive and continuous care toward the management of patients' health. Midwives provide full-course care to women and their babies during the pre- and post-natal period. Nurse practitioners are employed in community health centres, hospitals, clinics and rehabilitation centres. Physician assistants usually work in private practice, including group or team practices, hospitals and clinics. Midwives are employed in hospitals, clinics, birthing centres or in private practice.