Spermicide is a chemical that you put deep into your vagina right before sex. It prevents pregnancy two ways: blocking the entrance to the cervix so sperm can't get to your egg, and stopping sperm from moving well enough to swim to your egg.

How do spermicides prevent pregnancy?

How Does Spermicide Work? Spermicides block the cervix (the opening to the uterus) and slow sperm down to make it harder for them to swim to an egg. In order to work, the spermicide must be placed deep in the vagina close to the cervix. Creams, gels, and foams are squirted into the vagina using an applicator.

How does spermicide kill sperm?

Spermicides, such as nonoxynol-9, are a type of birth control. They work by killing sperm and blocking the cervix. This stops the sperm ejaculated in semen from swimming toward an egg.

How does spermicide work chemically?

A vaginal spermicide is a form of birth control that prevents pregnancy by disrupting the cell membrane of the sperm. Spermicides contain a chemical that is toxic to sperm — usually either nonoxynol-9 or octoxynol-9. The chemical stops the sperm in its tracks and prevents it from fertilizing the woman's egg.

What is the effectiveness of spermicide?

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 do contraceptives work? - NWHunter

39 related questions found

How do you use spermicide?

How do I use spermicides?

1. Insert the spermicide deep into the vagina just before intercourse.
2. Wait about 10-15 minutes after you insert spermicide into your vagina before having sex.
3. Insert spermicide no more than 30-60 minutes before having intercourse.

Can spermicide make you infertile?

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).

What are condoms with spermicide?

It is a thin sheath typically made from latex. A spermicide condom differs from other condoms because it is coated with spermicide, a type of chemical that kills sperm and is designed to prevent sperm from entering the uterus.

What is spermicide made of?

The most common active ingredient of spermicides is nonoxynol-9. Spermicides containing nonoxynol-9 are available in many forms, such as jelly (gel), films, and foams.

Are spermicide condoms safe?

They are an effective form of birth control but don't have any benefit over condoms without spermicide. There's no evidence that spermicides cause birth defects, and spermicide condoms are safe to use when you're pregnant. There are some downsides to this type of condom, however.

Can I get pregnant without him coming?

For all practical purposes, you cannot get pregnant without penetration. However, if ejaculate fluid/semen comes in contact with the vagina even without penetration, it is possible that sperm could enter and fertilize an egg.

Is there 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.

Is spermicide edible?

No. Swallowing or ingesting spermicide can be dangerous and cause serious harm to your health. Only use spermicide inside and around your vagina. If you swallow spermicide, go to your nearest emergency room or call a poison control center right away.

Can spermicide delay your period?

If there is a leak or break during intercourse, it may be a good idea for the female partner to immediately place more spermicide in the vagina. If you need an extra lubricant, make sure it is a water-based product safe for use with cervical caps, condoms, or diaphragms.

Do all condoms have spermicide?

Yes; condoms come in different sizes, styles, and shapes. ... Some condoms used to contain spermicides (chemicals to kill sperm), but most don't. It's best to use condoms without spermicide.

What are 5 methods of birth control?

What birth control options are available?

• Barrier methods. Examples include male and female condoms, as well as the diaphragm, cervical cap and contraceptive sponge.
• Short-acting hormonal methods. ...
• Long-acting hormonal methods. ...
• Sterilization. ...
• Fertility awareness methods.

Can drinking salt water stop pregnancy?

Salt and Water commonly used as emergency contraception by our study group said to be taken within 5 min of unprotected sex has not been shown by any study to be effective in preventing pregnancy.

Is lemon good for male sperm?

It was found that lemon juice supernatant (LJS) has high osmolality (550-60 mOsm) and low pH (2.2-2.6) and that addition of LJS to semen to give a final concentration of 20% v/v reduced the pH from around 8.4 to 4.1. This acidification was associated with irreversible cessation of all sperm movements within 1 minute.

Can I get pregnant from rubbing?

The same thing goes for body rubbing: It can't cause pregnancy unless partners have their clothes off and ejaculate or pre-ejaculate gets in the vagina or on the vulva.

Can I get pregnant if I put sperm in me with my fingers?

Fingering is very unlikely to introduce sperm to the vagina and cause pregnancy, but it can happen. Fingering can only cause pregnancy if a person's fingers are covered in preejaculate or ejaculate when they insert them into the vagina.

Why do condoms break every time?

Heat, sun, oils, and chemicals all can weaken condoms, making them more susceptible to breakage. Keep condoms away from heat and light, which can dry them out. And, don't use oils or lotions with a condom, only water-based lubricants.

Do Durex condoms have spermicide?

Related: Other news. The maker of Durex has ceased production of condoms containing the spermicide lubricant, nonoxynol-9 (N-9). Recent studies showed that it may actually increase the risk of HIV infection and was highlighted by the World Health Organisation and UNAIDS.

What are the best condoms to prevent pregnancy?

Latex condoms are the most widely available and are not expensive - so are the first choice for many couples. Latex is very reliable at preventing pregnancy and STIs.

Why do condoms hurt?

When Condoms Hurt

Three common reasons why women have bad experiences with condom sex are latex allergies, problems with nonoxynol-9 (N-9), and partners who don't use enough lubricant. The irritation from any one of these problems can leave a woman feeling very uncomfortable.

Can a single drop of sperm lead to pregnancy?

In theory, a single sperm is all it takes to get pregnant. But even in a large amount of semen — such as the quantity in one ejaculation — only a fraction of the sperm are healthy, moving, and sufficiently well-formed to cause a pregnancy.