الفهرس 
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Abstract
Introduction
AsyMptomatic Bacteriuria during pregnancy:
Pregnant wome11 are particularly susceptible to acute
urinary tract infect.ion (UTI) and physicians caring for these
women have long demonstrated concern tor gravidas who develop
acute pyelonephritis or cystitis. Conversely, there are
pregnant women who demonstrate significant bacteriuria
without symptoms and until the past two decades,
patients recieved relatively little attention.
these
In 1956 Kass devised a technique for distinguishing true
bacteriuria from bacterial contamination using a clean voided
method of urine collection and quant1tave culture techniques.
These innovations made possible the detection of asymptomatic
bacteriuria in large population groups without having to
resort to urethr·al Cdt.hcterization.
Bacteriuria usually remains silent unless an element of
urinary tract obstructuon is superimposed. ( Gary Cuninqham,
1973 ) •
In normal pregnancy physiologic relaxation of the
ureters and renal pelvis occur. The enlarging uterus soon
contributes an element of mechanical obstruction and the net
effect of these two processes: i. e. loss of ureteral tone