[The 1st pregnancy].
D000028:Abortion, Induced; D000293:Adolescent; D000328:Adult; D005260:Female; D006801:Humans; D006814:Hungary; D007226:Infant Mortality; D007230:Infant, Low Birth Weight; D007231:Infant, Newborn; D008423:Maternal Age; D008428:Maternal Mortality; D010298:Parity; D011247:Pregnancy; D011248:Pregnancy Complications / Q000453:epidemiology; D013223:Statistics as Topic
Az elsö terhesség.