It is best for women not to get the cervical cancer vaccine during the onset of menstruation. The cervical cancer vaccine is an inactivated component that is injected subcutaneously to stimulate the immune system to produce antibodies to prevent infection. If you are not careful, it may cause abnormalities, and the cervical cancer vaccine may lead to complications during menstruation when a woman’s body is less resistant and immune system is very weak. It is best to wait until the menstrual period is over before getting the cervical cancer vaccine, since various discomforts such as fever or muscle pain may occur, and other abnormalities may also occur. After the cervical cancer vaccination, it is important to observe the physical symptoms to avoid abnormal reactions. Not all women are suitable for cervical cancer vaccination and it is better to go to the hospital for examination before receiving cervical cancer vaccination.