How does barrier methods work




















All rights reserved. Read copyright and permissions information. This information is designed as an educational aid for the public. It offers current information and opinions related to women's health. It is not intended as a statement of the standard of care. It does not explain all of the proper treatments or methods of care. It is not a substitute for the advice of a physician. Benefits: Spermicides are easy to use and can be bought in many stores. They cost less to use than other birth control methods.

Spermicides do not affect milk supply if you are breastfeeding. Possible risks and side effects: Spermicides can cause vaginal burning and irritation. Two types are available: A male condom is a thin sheath made of latex rubber , polyurethane plastic , or natural animal membrane that is worn over the erect penis during sexual intercourse.

Benefits: Condoms cost less than other birth control methods and can be bought in many stores. Latex and polyurethane condoms provide the best available protection against STIs. The female condom can be inserted up to 8 hours before sex.

Possible risks and side effects: Some people are allergic to latex or polyurethane and may have a reaction. Benefits: It can be bought in many stores. Each sponge contains enough spermicide for repeated acts of sex during a hour period. It does not affect milk supply if you are breastfeeding.

Possible risks and side effects: Because the spermicide in the sponge can increase the risk of getting HIV from an infected partner, you should use the sponge only if you have one sexual partner and both of you are at low risk of HIV infection. Possible risks and side effects: Because the spermicide used with the diaphragm can increase the risk of getting HIV from an infected partner, you should use the diaphragm only if you have one sexual partner and both of you are at low risk of HIV infection.

Use of a diaphragm and spermicide may increase the risk of urinary tract infection. It can be inserted up to 40 hours before sex. Possible risks and side effects: Because the spermicide used with the cervical cap can increase the risk of getting HIV from an infected partner, you should use the cervical cap only if you have one sexual partner and both of you are at low risk of HIV infection.

Use of the cap may cause vaginal irritation or odor. Cervix : The lower, narrow end of the uterus at the top of the vagina. Penis: An external male sex organ. Sperm: A cell produced in the male testes that can fertilize a female egg.

Spermicide: A chemical cream, gel, foam that inactivates sperm. Toxic Shock Syndrome: A severe illness caused by a bacterial infection. In other words, there are plenty of options for those with a latex allergy. With typical use, external condoms are 87 percent effective at preventing pregnancy. Bonus: Latex and plastic condoms can protect against STIs. You can pick them up for free at most clinics or buy them online or in stores.

Also called the female condom , internal condoms are polyurethane pouches that are worn inside the vagina. Like their external counterpart, internal condoms also reduce the risk of STIs.

You can buy them online or in stores without a prescription, and you can occasionally get them for free at clinics. A cervical cap is a reusable rubber cap that you insert into the vagina to prevent sperm from getting inside the uterus. You need to use it with spermicide more on that in a sec for maximum effectiveness, which is 71 to 88 percent effective with typical use.

It also needs to stay in the vagina for at least 6 hours after sex to prevent pregnancy. Cervical caps are reusable for up to a year with proper care. You can get one at a pharmacy or health center with a prescription. You need to use it with spermicide for the best protection, which is 71 to 88 percent with typical use. You need a prescription from a healthcare professional to get one from a pharmacy or health center. The contraceptive sponge is a small, squishy, and round piece of, well, sponge that contains spermicide and is inserted into the vagina.

Sponges are 73 to 86 percent effective with typical use. Barrier contraception methods work by physically stopping the sperm from fertilising the egg. Some barrier methods e. Male condoms cover the whole of the penis and are available in lots of different shapes, sizes, colours and flavours for use in oral sex. The female condom sometimes called a Femidom has an internal ring that is placed inside the vagina. Monday, June 3, Feature. Barrier methods work by stopping sperm from entering the vagina.

There are three main barrier methods of contraception. These methods use: male condoms female condoms diaphragms Condoms protect against sexually transmissible infections STIs as well as unwanted pregnancy. The Male Condom Male condoms are a fine rubber covering that is rolled on to the penis before sex.

The Female Condom Female condoms are a polyurethane cylinder with one open end. The effectiveness of diaphragms against STIs is not yet known. Family Planning clinics have a number of services to offer men, including contraceptive advice STI checks fertility services vasectomies help with sexual dysfunction or issues. Contact your nearest clinic for more information. Find a clinic. Ask for an appointment Visits are free if you are under 22 NZ residents only.

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