EPIDEMIOLOGICAL APPROACH TO MATERNITY HEALTH NEEDS.
D004813:Epidemiology; D005260:Female; D006301:Health Services Needs and Demand; D006801:Humans; D007223:Infant; D007226:Infant Mortality; D008429:Maternal Welfare; D011247:Pregnancy
EPIDEMIOLOGY; INFANT MORTALITY; MATERNAL WELFARE; PREGNANCY