title: [Definition and explanation of terminology concerning the perinatal stage according to the recommendations by WHO].
mesh_terms: D005260:Female; D006801:Humans; D007226:Infant Mortality; D007231:Infant, Newborn; D007743:Labor, Obstetric; D008428:Maternal Mortality; D009359:Neonatology; D010500:Perinatology; D011247:Pregnancy; D009626:Terminology as Topic; D014944:World Health Organization