Sanitary napkins are exclusive products for women and must be used every time menstruation comes. Many women will stock up on sanitary napkins when there are supermarket events or online discounts. It is inevitable that the sanitary napkins will expire. Can the expired sanitary napkins still be used? Can expired sanitary napkins still be used? As long as the sanitary napkin expires and must be thrown away, sanitary napkins have very strict hygiene requirements during the production process. The closer to the production date, the better the sterility guarantee. As long as the shelf life has passed, the sterility guarantee is low. During the menstrual period, the endometrium is shed and the cervix is ​​open. Expired sanitary napkins contain molds that are invisible to the naked eye, which may cause vaginal infections after use and increase the risk of gynecological diseases. What should I pay attention to when using sanitary napkins? 1. Wash your hands before using sanitary napkins You must wash your hands with soap and running water every time before using a sanitary napkin to prevent bacteria on your hands from entering the sanitary napkin and then entering the body through menstrual blood to cause infection or gynecological diseases. In addition, women's private parts are moist, and menstrual blood contains a lot of substances, which are easy to breed bacteria, so it should be changed every two hours. Even if the menstrual blood flow is small, it should not exceed 4 hours. 2. Do not use sanitary napkins with fragrance or medicinal smell. Toilet paper is just an ordinary daily necessities and cannot replace medical treatment at all. The fragrance or medicinal smell of sanitary napkins is for all people and is not developed for symptoms. If the menstrual blood has an odor or other abnormalities, you should choose a regular hospital for treatment. 3. Do not put sanitary napkins in the bathroom The humid air in the bathroom will cause the sanitary napkins to become damp, causing bacteria to grow. Try to keep opened sanitary napkins in a dry and clean environment. In addition, don’t buy too much at once for convenience. 4. Be careful when buying sanitary napkins When purchasing sanitary napkins produced by regular manufacturers, pay attention to the sealing of the outer packaging to avoid contamination. At the same time, check the product label, choose products that have been produced recently, and choose sanitary napkins in small packages if possible. 5. Don’t buy sanitary napkins with large absorbency Many women choose sanitary napkins with high absorption capacity to reduce the frequency of changing sanitary napkins. Once there are sanitary napkins with large absorption capacity, it will reduce the number of trips to the toilet, cause poor local ventilation, lead to bacterial inflammation, and induce various gynecological diseases. Kind tips When using sanitary napkins, you must pay attention to the expiration date. Don't buy too many at one time. Buy them as you use them and don't keep them at home for a long time. In addition, you should not listen to advertisements and choose medicated sanitary napkins to avoid destroying the acid-base balance of the private parts, causing bacterial flora imbalance, reducing the self-cleaning ability of the wet areas, and causing bacterial invasion. People with sensitive skin may wish to choose cotton sanitary napkins that are soft, comfortable and less irritating to the skin. 8