... (<2 m) with pregnant women and young infants for 3 to 4 months after brachytherapy. Brief contact (sitting at the ... 1 week, 3% of all patients for several weeks or months).[ 4 ] Obstruction is seen more often in patients with poorer ... first 2 years of the program to 6% in subsequent years.[ 3,4 ] With greater experience in the program, the overall ...