Causes of bacterial vaginosis
Bacterial vaginosis (BV) occurs when there's a change in the natural balance of bacteria in your vagina.
Your vagina should contain bacteria called lactobacilli, which produce lactic acid. This makes the vagina slightly acidic, which prevents other bacteria from growing there.
Women with BV tend to have a temporary shortage of lactobacilli, which means their vagina isn't as acidic as it should be. This allows other types of bacteria to grow.
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It's still unclear what causes this change, although your risk is increased if you:
are sexually active, particularly if you have a new sexual partner or multiple sexual partners use an intrauterine device (IUD) – a contraceptive device that fits inside the womb
3 days to permanent bv relief
For reasons that are unclear, BV is more common in black women than in other ethnic groups.















