2013c-650 2016h-596 abortion ancient attitudetodeath burial care child children death developingcountires developingcountries earlymodern1451-1600 ethnology history hiv-positivepersons india induced infant infantmortality maternalandinfantwelfare maternaldeath maternalhealthservices medicalmissions modern1601- morbidity mortality mourningcustoms poverty prejudice sexfactors sexpreselection sexratio statistics