What happened to the right vulva enlargement?

There are two possibilities for enlargement of the right vulva: first, the vulva is allergic to some foreign body or supplies, causing enlargement of the vulva. Second, inflammation of the Pasteurian gland, if the lower 1/3 of the labia majora is enlarged and accompanied by pain, it may be inflammation of the Pasteurian gland, Pasteuritis or Pasteurian cyst. Third, there may be some infection, such as mold or herpes virus infection, which may also cause enlargement of the vulva, but most of them are bilateral enlargement. Fourth, there are relatively rare may be caused by trauma, bleeding under the vulva to form swelling. Therefore, according to the specific cause of specific analysis, targeted treatment.