The residue of progesterone gel does not need special treatment in the clinic, part of it will be absorbed and the other part will be discharged outside the vagina, as long as the local cleanliness is maintained and sanitary napkins or pads are changed regularly. During the use of the drug, we should pay attention to the following points: First, during the use of the drug can not have sex, when sex semen into the vagina will make part of the progesterone gel with semen out of the body, which will reduce the effectiveness of the drug. Second, during the use of the drug if vulva itching or increased secretions, may be caused by progesterone gel allergy. Thirdly, if you are using the drug, you must pay attention to personal hygiene to avoid bacteria from entering the vagina and causing inflammatory reactions.