Pls I Went For D Nd C On 11th Of

Pls I went for D nd C on 11th of september nd I bled for two weeks nd after 7weeks I saw my normal period which lasted for 3days but d third day wasn't heavy @ all nd wen I had d D nd C,d doctor confirmed I have a toilet disease nd he gave me antibiotics injection nd I ve sex after d period nd took postinol twice nd I noticed d white toilet disease thing is now comin bk nd I saw blood wen I took postinol d second time...........pls w@ is wrong nd w@ can I do?