Age of female is 37, 3rd pregnancy, LMP 21 june 2010, 32-33 weeks pregnanacy, history of spotting after passing urine observed since last 3 days, sonography done 2 days back revealed oss closed, pervaginal oss closed, no bleeding, placenta posterior, kub sonography normal, urine report normal, occult blood test, urine cytology revelas suspected cervicits. medicines prescribed are Ethasylate 500 mg tds, gynaec cvp tds, candid cl vaginal pessaries, antibiotic prescribed cepdoxamine and clavanic acid combination (200 mg 1 bd), syp.potrate, from where does this spotting occurs? whetehr its cervicits or uti, please suggest and advice the treatment