Get checked for BV (bacterial vaginitis). It is characterized by a foul smell.
around that place you have hair you should get rid of the hair and try and
wear care free panty lines it decrease odor and if thats still hapening got to your doctor or to a waking center
wash , take a shower befor you have sex , if its not that you may have a infection , yeast infection thats what i had , or it can be something esle like a std ... go see a docter and get some testes done i think you would be happy to know why