The birth of mongoloids.
D000293:Adolescent; D000328:Adult; D001722:Birth Order; D004314:Down Syndrome / Q000209:etiology*; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D008423:Maternal Age; D008875:Middle Aged; D011247:Pregnancy; D013223:Statistics as Topic