[Statistics on young primipara].
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D005260:Female; D006801:Humans; D007743:Labor, Obstetric; D007744:Obstetric Labor Complications / Q000453:epidemiology*; D011225:Pre-Eclampsia / Q000453:epidemiology; D011247:Pregnancy