You’ve finished going to the bathroom and are wiping yourself when you notice a small lump on one side of your vagina. It doesn’t hurt, so you decide to see if it’ll get better in the next few days. Unfortunately, the area starts to hurt and causes discomfort when you’re walking. You go to the doctor and she tells you that you have a Bartholin’s cyst. What caused this to occur? Is it serious? How is it treated?