Bacterial Vaginosis (BV)
Your vagina is normally acidic, which helps prevent bad bacteria from growing and maintains the level of good bacteria, called lactobacillus. If the pH balance becomes less acidic, however, this can affect the health of your vagina. Different factors can affect the pH balance of your vagina, including getting your period, taking antibiotics, over-washing, using an IUD (intrauterine device) and semen if you have sex without a condom. The imbalance of your pH can be accompanied by overgrowth of anaerobic organisms that replace normal lactobacilli, causing BV.
Bacterial vaginosis (BV) may sound scary, but it's very common and easily treated. If you do get BV, remember you’re not alone. BV is the most common cause of vaginal infections in women of childbearing age.