title: The epidemiology of human pregnancy.
mesh_terms: D000022:Abortion, Spontaneous / Q000453:epidemiology; D000328:Adult; D001724:Birth Weight; D001827:Body Height; D005260:Female; D005313:Fetal Death / Q000453:epidemiology; D005315:Fetal Diseases / Q000453:epidemiology; D005865:Gestational Age; D006801:Humans; D007226:Infant Mortality; D008423:Maternal Age; D008428:Maternal Mortality; D010100:Oxygen / Q000097:blood; D010298:Parity; D011247:Pregnancy; D012923:Social Class; D012937:Social Mobility; D012959:Socioeconomic Factors; D013223:Statistics as Topic; D014471:Umbilical Veins; D006113:United Kingdom
chemical_list: D010100:Oxygen