The prognosis of twins and prematurity.
D001724:Birth Weight; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D007234:Infant, Premature; D008017:Life Expectancy; D011247:Pregnancy; D011248:Pregnancy Complications / Q000453:epidemiology; D011272:Pregnancy, Multiple; D012306:Risk; D014427:Twins