title: [The relationship between pregnancy indices and problems of premature deliveries in Hungary during the years 1934-1970].
mesh_terms: D000026:Abortion, Habitual / Q000453:epidemiology; D000028:Abortion, Induced / Q000009:adverse effects; D000022:Abortion, Spontaneous; D001723:Birth Rate; D005260:Female; D005865:Gestational Age; D006801:Humans; D006814:Hungary; D007226:Infant Mortality; D007231:Infant, Newborn; D007234:Infant, Premature; D007744:Obstetric Labor Complications / Q000453:epidemiology; D007752:Obstetric Labor, Premature / Q000453:epidemiology*; D011247:Pregnancy; D011248:Pregnancy Complications / Q000453:epidemiology; D013223:Statistics as Topic
vernacular_title: A gestatiós események alakulása és a koraszülés-kérdés összefüggése hazánkban 1934 és 1970 között