Welcome to the ehealthforum and I am really glad to help you out. Your concern is regarding the foul smelling watery vaginal discharge that you are having after intercourse. Going by your symptoms, it looks like bacterial vaginosis to me. It is the most common cause of abnormal vaginal odor and discharge after intercourse. It is caused by a change in the type of bacteria found in the vagina.
In addition to unpleasant "fishy" vaginal odor, thin white or yellowish discharge from vagina may also be present. Diagnosis can be confirmed after pelvic examination and microscopic examination of the vaginal discharge. Treatment is by antibiotics( pessaries and oral antibiotics ) for which I would suggest a gynecologistâs evaluation.
It is very difficult to precisely confirm a diagnosis without examination and investigations and the answer is based on the medical information provided. For exact diagnosis, you are requested to consult your doctor. I sincerely hope that helps. Take care.
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