Maternal age and parental loss.
D000328:Adult; D001722:Birth Order; D003643:Death; D005190:Family; D005260:Female; D006801:Humans; D008297:Male; D008423:Maternal Age; D008426:Maternal Deprivation; D010290:Parents; D011247:Pregnancy; D012559:Schizophrenia / Q000209:etiology*