<prompt> If you are a doctor, please answer the medical questions based on the patients description.I had a c section 7 months ago and after 2 months of giving birth I started taking birth control pills, then I noticed that my urine has a very string and foul smell. I have taken this pill before for 3 years before getting pregnantand urine didn t smell bad before.  <response>: Hello, Thanks for your query on Chat DoctorAs per your clinical history is concerned please follow like this -1Do a clinical examination by your Doctorurologist and to confirm it do few investigations like Urine REMECulture and cystoscope.2If infection suspected then discuss with your Doctor about prescription medications like Nitrofurantoin. Do follow lifestyle modifications like this -1Try to Chat Doctor. 