 [ Symptoms ] is bacterial vaginosis spread through sex [ Disease ] bacterial vaginosis is not transmitted through sexual intercourse but is more common in women who are sexually active it is also not a serious health concern but can increase a woman is risk of developing other sexually transmitted diseases and can increase the risk of pelvic inflammatory disease pid following surgical procedures such as abortion and hysterectomy some studies have shown an increased risk of early labor and premature births in women who have the infection during pregnancy however more recent investigations do not support this relationship