They are spermicides that are available in several forms, including creams, gels, sprays, as well as vaginal suppositories, where the woman places the chosen method inside the vagina before intercourse to kill the sperm or make it unable to move towards the egg and thus fertilize it. The effectiveness is limited to 70%, so it is not recommended to use it alone and it is preferable to use it with other methods of contraception to increase effectiveness.
The disadvantages: They must be placed at a certain time and may cause sensitivity and irritation to the skin in some couples
