The lady’s contraceptive pessary is used by inserting the medication deep into the vagina about 5 to 10 minutes before intercourse. Contraceptive pessary is a more commonly used form of external contraception, the main ingredient is nonyl phenyl ether, which has a spermicidal effect, making sperm inactive, thus providing contraception. If you use a contraceptive pessary, you need to use it in the right way. It is necessary to put the pessary deep into the vagina 5-10 minutes before sexual intercourse. 5-10 minutes later to have sex, then there is a contraceptive effect. If you don’t have sex within 30 minutes after using the pill, it is not effective and you need to put another pill in before having sex. If you have any questions about the use of the pill, please consult your doctor.