The use of a spermicide is recommended even when you are using nonbarrier methods of birth control, such as birth control pills (the pill) or intrauterine devices (IUDs), since these do not offer any protection from STDs. Vaginal spermicides are available without a prescription.1 Dec 2021
Vaginal spermicides are a type of contraceptive (birth control). These products are inserted into the vagina before any genital contact occurs or sexual intercourse begins. They work by damaging and killing sperm in the vagina.1 Dec 2021
Does spermicide actually work?
But using spermicide perfectly is hard, so in reality about 28 out of 100 people who use spermicide become pregnant every year — that means spermicide is 72% effective at preventing pregnancy. Using spermicide alone isn't the most effective way to prevent pregnancy, but it's better than using no birth control at all.
How effective is spermicidal?
Spermicide used alone has a high failure rate of 28% for typical users. This means that in 1 year, 28 out of 100 women who use spermicide as their only method of birth control get pregnant. The perfect use failure rate is still high, at 18% (18 out of 100 women).
How long does it take for spermicide to work?
Most must be placed in the vagina at least 10 to 15 minutes before sex so they have enough time to dissolve and spread. Many forms of spermicides are effective for only 1 hour after they are inserted. More spermicide should be used if more than 1 hour passes before sex, or if a couple is going to have sex again.
Does spermicide kill all sperm?
And you need to use spermicide with diaphragms and cervical caps in order for them to work. Fun fact: the root word “cide” in “spermicide” means “to kill.” Spermicide doesn't actually “kill” sperm, but it slows it down so it can't reach an egg.
How effective is spermicide and pulling out?
Spermicide is 82 percent effective with perfect use. With typical use, it's only 72 percent effective.
What is a natural spermicide?
The citric acid in lemons acts as a natural spermicide. The lemon rind itself (with pulp and juice removed) could also be inserted into the vagina and used as a cervical cap.5 Mar 2019
What are some examples of spermicide?
The spermicidal chemicals most often used today are nonoxynol-9 (N-9), menfegol and benzalkonium chloride (BZK).
How long does spermicide stay inside?
One dose of spermicide usually lasts 1 hour. For repeated sex, use additional spermicide. After sex, the spermicide has to remain in place for 6-8 hours to make sure the sperm are killed. Do not douche or rinse the vagina during this time.18 Feb 2020