AN ANALYSIS OF 16,327 BREECH BIRTHS.
D005260:Female; D006801:Humans; D007226:Infant Mortality; D007231:Infant, Newborn; D007234:Infant, Premature; D007746:Labor Presentation; D011247:Pregnancy; D013223:Statistics as Topic; D014481:United States
INFANT MORTALITY; INFANT, NEWBORN; INFANT, PREMATURE; LABOR PRESENTATION; PREGNANCY; STATISTICS; UNITED STATES