<p><strong>adjective</strong></p><ul><li>Occurring earlier in pregnancy than expected; premature: preterm labor.</li></ul><p><strong>noun</strong></p><ul><li>A baby born prematurely, especially one born before the 37th week of pregnancy and weighing less than 5½ pounds (2.5 kilograms).</li></ul><p><strong>End of Response</strong></p>