Small obstetric units.
D004739:England; D005260:Female; D006742:Hospital Bed Capacity; D006748:Hospital Departments; D006757:Hospital Units; D006771:Hospitals, Maternity; D006782:Hospitals, Special; D006801:Humans; D007226:Infant Mortality; D007231:Infant, Newborn; D009775:Obstetrics and Gynecology Department, Hospital; D011247:Pregnancy; D014852:Wales