Regional planning for maternal and perinatal health services.
D002170:Canada; D002662:Child Health Services / Q000458:organization & administration; D005260:Female; D006801:Humans; D007226:Infant Mortality; D007231:Infant, Newborn; D008427:Maternal Health Services / Q000458:organization & administration; D011247:Pregnancy; D012040:Regional Health Planning; D014481:United States