Pelvic inflammatory disease, also known as PID, is an infection of the female reproductive organs. What's more, PID can easily cause infertility problem. However, Chinese herbs can provide a conservative and natural treatment for PID.
Bonus quests are quests you will be given by doing an unlisted objective while already on a quest. For example, say you need to collect flowers for Juliah, that's the only objective that the quest shows you.