title: Heterogeneity among first post-nuptial deliveries.
mesh_terms: D000328:Adult; D001315:Australia; D036861:Delivery, Obstetric; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D008393:Marriage; D008423:Maternal Age; D010298:Parity; D011247:Pregnancy; D012744:Sex Ratio; D013997:Time Factors