[Pregnancy, labor and early neonatal period characteristics according to legitimacy].
D001724:Birth Weight; D001942:Breast Feeding; D002677:Chile; D005260:Female; D006801:Humans; D007086:Illegitimacy; D007226:Infant Mortality; D007230:Infant, Low Birth Weight; D007231:Infant, Newborn; D007743:Labor, Obstetric; D011247:Pregnancy; D012959:Socioeconomic Factors
Características del embarazo, parto y período neonatal precoz según legitimidad.