[Statistical data on pregnancy].
D000328:Adult; D000367:Age Factors; D005260:Female; D005865:Gestational Age; D006801:Humans; D007746:Labor Presentation; D008393:Marriage; D007744:Obstetric Labor Complications; D010298:Parity; D011247:Pregnancy; D011248:Pregnancy Complications; D012189:Retrospective Studies; D012737:Sex Factors; D013030:Spain; D013223:Statistics as Topic; D014427:Twins
Datos estadísticos sobre el embarazo.