Spermicidal

Jellies or ova
Products are in the form of cream or eggs (such as vaginal suppositories) that puts the woman herself deep in the vagina before each act of intercourse. These products contain chemicals that kill sperm.
Important:
For not very effective against pregnancy, should be used along with other barrier methods: diaphragm or condom.
How to use
Introduce the female genital organ every intercourse.
Can be placed on the hour or a maximum of up to 2 hours prior to sexual intercourse.
Advantages:
There needs to be used every day.
No harms nor interferes with the menstrual cycle.
Disadvantages:
The time of action of spermicides is 2 hours and requires reapplication for prolonged or repeated sex.
In some people it can cause allergies. (In this case we recommend the suspension of the use of methods and the use of condoms with water-based lubricants)