Difficulty in swallowing, starting soon after birth and resulting in aspiration pneumonia, may be due to: pharyngeal incoordination; cerebral palsy; familial dysautonomia; poliomyelitis with bulbar palsy; agenesis of bulbar nuclei; or myasthenia gravis. Pharyngeal incoordination mainly affects premature babies and usually lasts from two to four weeks (Avery, 1964; Scott-Brown, Ballantyne, and G...