Maternal parity, age, haemoglobin level, mortality rate, labour and complications in a tropical centre.
D036861:Delivery, Obstetric; D005260:Female; D006452:Hemoglobinometry; D006801:Humans; D007743:Labor, Obstetric; D008423:Maternal Age; D008428:Maternal Mortality; D009549:Nigeria; D007744:Obstetric Labor Complications / Q000453:epidemiology*; D010298:Parity; D011247:Pregnancy