Hlw Doc L M 35 Weeks Preg.during 7 Month I

Hlw doc l m 35 weeks preg.during 7 month I had urine and glucose challenge test .sugar was nil in urine test but since the colour of urine was pale yellow , doc said it is bcoz of urine infection .glucose test result was 100mg / dl .today I found ants on my used panti.so I n little worried .is everything fine or not .I feel thirsty mostly and urine is light yellow in colour .tell me sir what should I do plzzz.