Our expert says:
There are many bacteria and organims which are found in/on the body and the vagina is no exception. Under certain circumstances, eg stress, taking medication etc some of these bacteria may proliferate and cause an increase in dischage or odour. It may be that this is what the problem is. She may have noticed it herself but otherwise I would in a subtle way advise that she be examined so that she can get treatment (antibiotics) if it persists and is problematic.
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