Brown discharge, 8 month of pregnancy.

From last Saturday midnight was facing little blood (like thread) in my urine..next day morning I face some reddish brown clot discharge..I visited hospital..was hospitalised for 48hrs..diagnosed urine infection having antibiotic also(5days course) after that k didn't fnd any blood in my urine ,dctr gv me injection(8 times,) to stop bleeding nd sustain...nw m at my home from yesterday morning..but still I face brown discharge on and off..dctr advise me complete bed rest which m doing also because I have low lying placenta touching the OS..today morning I notice some watery brown diacharge..is it normal or I should worry.my dctr s out of twn..plz help..6th august had my growth scan..baby growth weight is fine..and also I can feel my baby movement..plz plz plz help..m in my 8 month (33 week) of pregnancy.