Nguyễn Hoàng Đức Bệnh viện Đại học Y Dược TP.HCM URINARY TRACT INFECTIONS IN PREGNANCY Urinary tract infections frequently complicate pregnancy with their concomitant morbidities. Asymptomatic bacteriuria (ASB), if left unrecognized and untreated, frequently progresses to pyelonephritis, and is associated with preterm delivery and low birth weight infants. A possible association exists between ASB and cognitive delay. Pyelonephritis is a ...