i am having a pain in my pelvic and every time i keep having on infection that some times come with a white lumpy or yellow discharge and a low back pain i get so many antibiatic it just keep coming back i did a papsear and it comes back negetive i al so did a kidney test and it comes back normal what can it be can it be chlamydia because my husband having on potected sex whith other ladys i even notice a little this morning when i have sex when i stand i feel like my waist is falling off tell me what is the problem doct.