1. Earthy, musky, slightly tangy is completely normal.
2. You might need to see your doctor if your vagina smells fishy, ammonia, rotten, or chemical-like
3. Temporary change post-sex and returns to normal after a few hours
4. Itching, burning, irritation, unusual discharge, pain during urination, changes in colour or texture of discharge isn't normal.
5. It might indicate some health issues if the foul smell is present even after good hygiene practices.